Cleanup patch from Denis Vlasenko. Mostly variants of removing the if(x)
authorRob Landley <rob@landley.net>
Wed, 1 Mar 2006 16:39:45 +0000 (16:39 -0000)
committerRob Landley <rob@landley.net>
Wed, 1 Mar 2006 16:39:45 +0000 (16:39 -0000)
from before "if(x) free(x)".

33 files changed:
archival/dpkg.c
archival/libunarchive/decompress_bunzip2.c
archival/unzip.c
e2fsprogs/blkid/cache.c
e2fsprogs/blkid/devno.c
e2fsprogs/blkid/resolve.c
e2fsprogs/blkid/save.c
e2fsprogs/blkid/tag.c
e2fsprogs/e2fsck.c
e2fsprogs/ext2fs/bmap.c
e2fsprogs/ext2fs/bmove.c
e2fsprogs/ext2fs/brel_ma.c
e2fsprogs/ext2fs/dblist.c
e2fsprogs/ext2fs/fileio.c
e2fsprogs/ext2fs/freefs.c
e2fsprogs/ext2fs/get_pathname.c
e2fsprogs/ext2fs/icount.c
e2fsprogs/ext2fs/imager.c
e2fsprogs/ext2fs/inode.c
e2fsprogs/ext2fs/irel_ma.c
e2fsprogs/ext2fs/mkdir.c
e2fsprogs/ext2fs/namei.c
e2fsprogs/ext2fs/rw_bitmaps.c
e2fsprogs/ext2fs/test_io.c
e2fsprogs/ext2fs/unix_io.c
editors/sed.c
modutils/insmod.c
networking/ifupdown.c
networking/inetd.c
networking/traceroute.c
networking/udhcp/dhcpc.c
networking/udhcp/files.c
scripts/config/confdata.c

index 70eaefb..74d3a83 100644 (file)
@@ -544,8 +544,7 @@ static void free_package(common_node_t *node)
                for (i = 0; i < node->num_of_edges; i++) {
                        free(node->edge[i]);
                }
-               if ( node->edge )
-                       free(node->edge);
+               free(node->edge);
                free(node);
        }
 }
index df6fa07..7f700ca 100644 (file)
@@ -714,7 +714,7 @@ extern int uncompressStream(int src_fd, int dst_fd)
        } else {
                bb_error_msg("Decompression failed");
        }
-       if(bd->dbuf) free(bd->dbuf);
+       free(bd->dbuf);
        free(bd);
        free(outbuf);
 
index ff2b1a2..7e0d107 100644 (file)
@@ -393,7 +393,7 @@ extern int unzip_main(int argc, char **argv)
                        goto _check_file;
 
                default:
-                       printf("error:  invalid response [%c]\n",(char)i);
+                       printf("error: invalid response [%c]\n",(char)i);
                        goto _check_file;
                }
 
@@ -405,8 +405,8 @@ extern int unzip_main(int argc, char **argv)
        }
 
        if (verbosity == v_list) {
-               printf(" --------                   -------\n");
-               printf("%9d                   %d files\n", total_size, total_entries);
+               printf(" --------                   -------\n"
+                      "%9d                   %d files\n", total_size, total_entries);
        }
 
        return(EXIT_SUCCESS);
index 87be126..daccb30 100644 (file)
@@ -88,8 +88,7 @@ void blkid_put_cache(blkid_cache cache)
                }
                blkid_free_tag(tag);
        }
-       if (cache->bic_filename)
-               free(cache->bic_filename);
+       free(cache->bic_filename);
 
        free(cache);
 }
index 7d083e7..2979280 100644 (file)
@@ -218,8 +218,7 @@ int main(int argc, char** argv)
        }
        printf("Looking for device 0x%04Lx\n", devno);
        devname = blkid_devno_to_devname(devno);
-       if (devname)
-               free(devname);
+       free(devname);
        return 0;
 }
 #endif
index 591b630..40d999a 100644 (file)
@@ -96,10 +96,8 @@ char *blkid_get_devname(blkid_cache cache, const char *token,
        ret = blkid_strdup(blkid_dev_devname(dev));
 
 errout:
-       if (t)
-               free(t);
-       if (v)
-               free(v);
+       free(t);
+       free(v);
        if (!cache) {
                blkid_put_cache(c);
        }
index cc406eb..98d8d02 100644 (file)
@@ -148,8 +148,7 @@ int blkid_flush_cache(blkid_cache cache)
        }
 
 errout:
-       if (tmp)
-               free(tmp);
+       free(tmp);
        return ret;
 }
 
index e2c785c..95112eb 100644 (file)
@@ -41,11 +41,8 @@ void blkid_free_tag(blkid_tag tag)
        list_del(&tag->bit_tags);       /* list of tags for this device */
        list_del(&tag->bit_names);      /* list of tags with this type */
 
-       if (tag->bit_name)
-               free(tag->bit_name);
-       if (tag->bit_val)
-               free(tag->bit_val);
-
+       free(tag->bit_name);
+       free(tag->bit_val);
        free(tag);
 }
 
@@ -112,8 +109,7 @@ int blkid_set_tag(blkid_dev dev, const char *name,
                return -BLKID_ERR_MEM;
        t = blkid_find_tag_dev(dev, name);
        if (!value) {
-               if (t)
-                       blkid_free_tag(t);
+               blkid_free_tag(t);
        } else if (t) {
                if (!strcmp(t->bit_val, val)) {
                        /* Same thing, exit */
@@ -165,12 +161,10 @@ int blkid_set_tag(blkid_dev dev, const char *name,
        return 0;
 
 errout:
-       if (t)
-               blkid_free_tag(t);
-       else if (val)
+       blkid_free_tag(t);
+       if (!t)
                free(val);
-       if (head)
-               blkid_free_tag(head);
+       blkid_free_tag(head);
        return -BLKID_ERR_MEM;
 }
 
index 1c97cf4..489d2a8 100644 (file)
@@ -2036,10 +2036,7 @@ static struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino)
  */
 static void e2fsck_free_dir_info(e2fsck_t ctx)
 {
-       if (ctx->dir_info) {
-               ext2fs_free_mem(&ctx->dir_info);
-               ctx->dir_info = 0;
-       }
+       ext2fs_free_mem(&ctx->dir_info);
        ctx->dir_info_size = 0;
        ctx->dir_info_count = 0;
 }
@@ -2178,13 +2175,9 @@ static void e2fsck_free_dx_dir_info(e2fsck_t ctx)
        if (ctx->dx_dir_info) {
                dir = ctx->dx_dir_info;
                for (i=0; i < ctx->dx_dir_info_count; i++) {
-                       if (dir->dx_block) {
-                               ext2fs_free_mem(&dir->dx_block);
-                               dir->dx_block = 0;
-                       }
+                       ext2fs_free_mem(&dir->dx_block);
                }
                ext2fs_free_mem(&ctx->dx_dir_info);
-               ctx->dx_dir_info = 0;
        }
        ctx->dx_dir_info_size = 0;
        ctx->dx_dir_info_count = 0;
@@ -2245,8 +2238,7 @@ static void ea_refcount_free(ext2_refcount_t refcount)
        if (!refcount)
                return;
 
-       if (refcount->list)
-               ext2fs_free_mem(&refcount->list);
+       ext2fs_free_mem(&refcount->list);
        ext2fs_free_mem(&refcount);
 }
 
@@ -2259,32 +2251,22 @@ static errcode_t e2fsck_reset_context(e2fsck_t ctx)
        ctx->flags = 0;
        ctx->lost_and_found = 0;
        ctx->bad_lost_and_found = 0;
-       if (ctx->inode_used_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_used_map);
-               ctx->inode_used_map = 0;
-       }
-       if (ctx->inode_dir_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_dir_map);
-               ctx->inode_dir_map = 0;
-       }
-       if (ctx->inode_reg_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_reg_map);
-               ctx->inode_reg_map = 0;
-       }
-       if (ctx->block_found_map) {
-               ext2fs_free_block_bitmap(ctx->block_found_map);
-               ctx->block_found_map = 0;
-       }
-       if (ctx->inode_link_info) {
-               ext2fs_free_icount(ctx->inode_link_info);
-               ctx->inode_link_info = 0;
-       }
+       ext2fs_free_inode_bitmap(ctx->inode_used_map);
+       ctx->inode_used_map = 0;
+       ext2fs_free_inode_bitmap(ctx->inode_dir_map);
+       ctx->inode_dir_map = 0;
+       ext2fs_free_inode_bitmap(ctx->inode_reg_map);
+       ctx->inode_reg_map = 0;
+       ext2fs_free_block_bitmap(ctx->block_found_map);
+       ctx->block_found_map = 0;
+       ext2fs_free_icount(ctx->inode_link_info);
+       ctx->inode_link_info = 0;
        if (ctx->journal_io) {
                if (ctx->fs && ctx->fs->io != ctx->journal_io)
                        io_channel_close(ctx->journal_io);
                ctx->journal_io = 0;
        }
-       if (ctx->fs && ctx->fs->dblist) {
+       if (ctx->fs) {
                ext2fs_free_dblist(ctx->fs->dblist);
                ctx->fs->dblist = 0;
        }
@@ -2292,54 +2274,29 @@ static errcode_t e2fsck_reset_context(e2fsck_t ctx)
 #ifdef ENABLE_HTREE
        e2fsck_free_dx_dir_info(ctx);
 #endif
-       if (ctx->refcount) {
-               ea_refcount_free(ctx->refcount);
-               ctx->refcount = 0;
-       }
-       if (ctx->refcount_extra) {
-               ea_refcount_free(ctx->refcount_extra);
-               ctx->refcount_extra = 0;
-       }
-       if (ctx->block_dup_map) {
-               ext2fs_free_block_bitmap(ctx->block_dup_map);
-               ctx->block_dup_map = 0;
-       }
-       if (ctx->block_ea_map) {
-               ext2fs_free_block_bitmap(ctx->block_ea_map);
-               ctx->block_ea_map = 0;
-       }
-       if (ctx->inode_bb_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_bb_map);
-               ctx->inode_bb_map = 0;
-       }
-       if (ctx->inode_bad_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_bad_map);
-               ctx->inode_bad_map = 0;
-       }
-       if (ctx->inode_imagic_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_imagic_map);
-               ctx->inode_imagic_map = 0;
-       }
-       if (ctx->dirs_to_hash) {
-               ext2fs_u32_list_free(ctx->dirs_to_hash);
-               ctx->dirs_to_hash = 0;
-       }
+       ea_refcount_free(ctx->refcount);
+       ctx->refcount = 0;
+       ea_refcount_free(ctx->refcount_extra);
+       ctx->refcount_extra = 0;
+       ext2fs_free_block_bitmap(ctx->block_dup_map);
+       ctx->block_dup_map = 0;
+       ext2fs_free_block_bitmap(ctx->block_ea_map);
+       ctx->block_ea_map = 0;
+       ext2fs_free_inode_bitmap(ctx->inode_bb_map);
+       ctx->inode_bb_map = 0;
+       ext2fs_free_inode_bitmap(ctx->inode_bad_map);
+       ctx->inode_bad_map = 0;
+       ext2fs_free_inode_bitmap(ctx->inode_imagic_map);
+       ctx->inode_imagic_map = 0;
+       ext2fs_u32_list_free(ctx->dirs_to_hash);
+       ctx->dirs_to_hash = 0;
 
        /*
         * Clear the array of invalid meta-data flags
         */
-       if (ctx->invalid_inode_bitmap_flag) {
-               ext2fs_free_mem(&ctx->invalid_inode_bitmap_flag);
-               ctx->invalid_inode_bitmap_flag = 0;
-       }
-       if (ctx->invalid_block_bitmap_flag) {
-               ext2fs_free_mem(&ctx->invalid_block_bitmap_flag);
-               ctx->invalid_block_bitmap_flag = 0;
-       }
-       if (ctx->invalid_inode_table_flag) {
-               ext2fs_free_mem(&ctx->invalid_inode_table_flag);
-               ctx->invalid_inode_table_flag = 0;
-       }
+       ext2fs_free_mem(&ctx->invalid_inode_bitmap_flag);
+       ext2fs_free_mem(&ctx->invalid_block_bitmap_flag);
+       ext2fs_free_mem(&ctx->invalid_inode_table_flag);
 
        /* Clear statistic counters */
        ctx->fs_directory_count = 0;
@@ -3118,20 +3075,16 @@ static errcode_t e2fsck_get_journal(e2fsck_t ctx, journal_t **ret_journal)
        journal->j_superblock = (journal_superblock_t *)bh->b_data;
 
 #ifdef USE_INODE_IO
-       if (j_inode)
-               ext2fs_free_mem(&j_inode);
+       ext2fs_free_mem(&j_inode);
 #endif
 
        *ret_journal = journal;
        return 0;
 
 errout:
-       if (dev_fs)
-               ext2fs_free_mem(&dev_fs);
-       if (j_inode)
-               ext2fs_free_mem(&j_inode);
-       if (journal)
-               ext2fs_free_mem(&journal);
+       ext2fs_free_mem(&dev_fs);
+       ext2fs_free_mem(&j_inode);
+       ext2fs_free_mem(&journal);
        return retval;
 
 }
@@ -3368,11 +3321,9 @@ static void e2fsck_journal_release(e2fsck_t ctx, journal_t *journal,
        }
 
 #ifndef USE_INODE_IO
-       if (journal->j_inode)
-               ext2fs_free_mem(&journal->j_inode);
+       ext2fs_free_mem(&journal->j_inode);
 #endif
-       if (journal->j_fs_dev)
-               ext2fs_free_mem(&journal->j_fs_dev);
+       ext2fs_free_mem(&journal->j_fs_dev);
        ext2fs_free_mem(&journal);
 }
 
@@ -4346,7 +4297,6 @@ static __u64 ext2_max_sizes[EXT2_MAX_BLOCK_LOG_SIZE -
 static void unwind_pass1(void)
 {
        ext2fs_free_mem(&inodes_to_process);
-       inodes_to_process = 0;
 }
 
 /*
@@ -5086,10 +5036,8 @@ static void e2fsck_pass1(e2fsck_t ctx)
                handle_fs_bad_blocks(ctx);
 
        /* We don't need the block_ea_map any more */
-       if (ctx->block_ea_map) {
-               ext2fs_free_block_bitmap(ctx->block_ea_map);
-               ctx->block_ea_map = 0;
-       }
+       ext2fs_free_block_bitmap(ctx->block_ea_map);
+       ctx->block_ea_map = 0;
 
        if (ctx->flags & E2F_FLAG_RESIZE_INODE) {
                ext2fs_block_bitmap save_bmap;
@@ -7359,14 +7307,10 @@ static void e2fsck_pass2(e2fsck_t ctx)
        ext2fs_free_mem(&buf);
        ext2fs_free_dblist(fs->dblist);
 
-       if (ctx->inode_bad_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_bad_map);
-               ctx->inode_bad_map = 0;
-       }
-       if (ctx->inode_reg_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_reg_map);
-               ctx->inode_reg_map = 0;
-       }
+       ext2fs_free_inode_bitmap(ctx->inode_bad_map);
+       ctx->inode_bad_map = 0;
+       ext2fs_free_inode_bitmap(ctx->inode_reg_map);
+       ctx->inode_reg_map = 0;
 
        clear_problem_context(&pctx);
        if (ctx->large_files) {
@@ -8665,14 +8609,10 @@ static void e2fsck_pass3(e2fsck_t ctx)
 
 abort_exit:
        e2fsck_free_dir_info(ctx);
-       if (inode_loop_detect) {
-               ext2fs_free_inode_bitmap(inode_loop_detect);
-               inode_loop_detect = 0;
-       }
-       if (inode_done_map) {
-               ext2fs_free_inode_bitmap(inode_done_map);
-               inode_done_map = 0;
-       }
+       ext2fs_free_inode_bitmap(inode_loop_detect);
+       inode_loop_detect = 0;
+       ext2fs_free_inode_bitmap(inode_done_map);
+       inode_done_map = 0;
 
 #ifdef RESOURCE_TRACK
        if (ctx->options & E2F_OPT_TIME2) {
@@ -9497,8 +9437,7 @@ static void e2fsck_pass4(e2fsck_t ctx)
        ctx->inode_bb_map = 0;
        ext2fs_free_inode_bitmap(ctx->inode_imagic_map);
        ctx->inode_imagic_map = 0;
-       if (buf)
-               ext2fs_free_mem(&buf);
+       ext2fs_free_mem(&buf);
 #ifdef RESOURCE_TRACK
        if (ctx->options & E2F_OPT_TIME2) {
                e2fsck_clear_progbar(ctx);
@@ -12360,10 +12299,8 @@ static errcode_t alloc_size_dir(ext2_filsys fs, struct out_dir *outdir,
 
 static void free_out_dir(struct out_dir *outdir)
 {
-       if (outdir->buf)
-               free(outdir->buf);
-       if (outdir->hashes)
-               free(outdir->hashes);
+       free(outdir->buf);
+       free(outdir->hashes);
        outdir->max = 0;
        outdir->num =0;
 }
@@ -12872,14 +12809,10 @@ resort:
        }
 
        retval = write_directory(ctx, fs, &outdir, ino, fd.compress);
-       if (retval)
-               goto errout;
 
 errout:
-       if (dir_buf)
-               free(dir_buf);
-       if (fd.harray)
-               free(fd.harray);
+       free(dir_buf);
+       free(fd.harray);
 
        free_out_dir(&outdir);
        return retval;
@@ -12957,8 +12890,7 @@ void e2fsck_rehash_directories(e2fsck_t ctx)
        if (!all_dirs)
                ext2fs_u32_list_iterate_end(iter);
 
-       if (ctx->dirs_to_hash)
-               ext2fs_u32_list_free(ctx->dirs_to_hash);
+       ext2fs_u32_list_free(ctx->dirs_to_hash);
        ctx->dirs_to_hash = 0;
 
 #ifdef RESOURCE_TRACK
@@ -13676,8 +13608,7 @@ static void check_resize_inode(e2fsck_t ctx)
        }
 
 cleanup:
-       if (dind_buf)
-               ext2fs_free_mem(&dind_buf);
+       ext2fs_free_mem(&dind_buf);
 
  }
 
@@ -14639,8 +14570,7 @@ blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, const char *name,
 cleanup:
        if (io)
                io_channel_close(io);
-       if (buf)
-               ext2fs_free_mem(&buf);
+       ext2fs_free_mem(&buf);
        return (ret_sb);
 }
 
index 45d49f9..4a53ebc 100644 (file)
@@ -257,8 +257,7 @@ errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode,
        retval = block_tind_bmap(fs, bmap_flags, b, block_buf,
                                 &blocks_alloc, block, phys_blk);
 done:
-       if (buf)
-               ext2fs_free_mem(&buf);
+       ext2fs_free_mem(&buf);
        if ((retval == 0) && (blocks_alloc || inode_dirty)) {
                inode->i_blocks += (blocks_alloc * fs->blocksize) / 512;
                retval = ext2fs_write_inode(fs, ino, inode);
index fb319f8..7e98c0f 100644 (file)
@@ -119,10 +119,8 @@ errcode_t ext2fs_move_blocks(ext2_filsys fs,
         * block move.
         */
        if (flags & EXT2_BMOVE_GET_DBLIST) {
-               if (fs->dblist) {
-                       ext2fs_free_dblist(fs->dblist);
-                       fs->dblist = NULL;
-               }
+               ext2fs_free_dblist(fs->dblist);
+               fs->dblist = NULL;
                retval = ext2fs_init_dblist(fs, 0);
                if (retval)
                        return retval;
index 4dcfded..557143d 100644 (file)
@@ -186,12 +186,10 @@ static errcode_t bma_free(ext2_brel brel)
        ma = brel->priv_data;
 
        if (ma) {
-               if (ma->entries)
-                       ext2fs_free_mem(&ma->entries);
+               ext2fs_free_mem(&ma->entries);
                ext2fs_free_mem(&ma);
        }
-       if (brel->name)
-               ext2fs_free_mem(&brel->name);
+       ext2fs_free_mem(&brel->name);
        ext2fs_free_mem(&brel);
        return 0;
 }
index 0cf5698..73313fa 100644 (file)
@@ -99,8 +99,7 @@ static errcode_t make_dblist(ext2_filsys fs, ext2_ino_t size, ext2_ino_t count,
                fs->dblist = dblist;
        return 0;
 cleanup:
-       if (dblist)
-               ext2fs_free_mem(&dblist);
+       ext2fs_free_mem(&dblist);
        return retval;
 }
 
index 669e80c..da349fe 100644 (file)
@@ -73,8 +73,7 @@ errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino,
        return 0;
 
 fail:
-       if (file->buf)
-               ext2fs_free_mem(&file->buf);
+       ext2fs_free_mem(&file->buf);
        ext2fs_free_mem(&file);
        return retval;
 }
@@ -197,8 +196,7 @@ errcode_t ext2fs_file_close(ext2_file_t file)
 
        retval = ext2fs_file_flush(file);
 
-       if (file->buf)
-               ext2fs_free_mem(&file->buf);
+       ext2fs_free_mem(&file->buf);
        ext2fs_free_mem(&file);
 
        return retval;
index 3fd51f2..f0f7b3e 100644 (file)
@@ -30,25 +30,17 @@ void ext2fs_free(ext2_filsys fs)
        if (fs->io) {
                io_channel_close(fs->io);
        }
-       if (fs->device_name)
-               ext2fs_free_mem(&fs->device_name);
-       if (fs->super)
-               ext2fs_free_mem(&fs->super);
-       if (fs->orig_super)
-               ext2fs_free_mem(&fs->orig_super);
-       if (fs->group_desc)
-               ext2fs_free_mem(&fs->group_desc);
-       if (fs->block_map)
-               ext2fs_free_block_bitmap(fs->block_map);
-       if (fs->inode_map)
-               ext2fs_free_inode_bitmap(fs->inode_map);
-
-       if (fs->badblocks)
-               ext2fs_badblocks_list_free(fs->badblocks);
+       ext2fs_free_mem(&fs->device_name);
+       ext2fs_free_mem(&fs->super);
+       ext2fs_free_mem(&fs->orig_super);
+       ext2fs_free_mem(&fs->group_desc);
+       ext2fs_free_block_bitmap(fs->block_map);
+       ext2fs_free_inode_bitmap(fs->inode_map);
+
+       ext2fs_badblocks_list_free(fs->badblocks);
        fs->badblocks = 0;
 
-       if (fs->dblist)
-               ext2fs_free_dblist(fs->dblist);
+       ext2fs_free_dblist(fs->dblist);
 
        if (fs->icache)
                ext2fs_free_inode_cache(fs->icache);
@@ -64,14 +56,8 @@ void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap)
                return;
 
        bitmap->magic = 0;
-       if (bitmap->description) {
-               ext2fs_free_mem(&bitmap->description);
-               bitmap->description = 0;
-       }
-       if (bitmap->bitmap) {
-               ext2fs_free_mem(&bitmap->bitmap);
-               bitmap->bitmap = 0;
-       }
+       ext2fs_free_mem(&bitmap->description);
+       ext2fs_free_mem(&bitmap->bitmap);
        ext2fs_free_mem(&bitmap);
 }
 
@@ -100,10 +86,8 @@ static void ext2fs_free_inode_cache(struct ext2_inode_cache *icache)
 {
        if (--icache->refcount)
                return;
-       if (icache->buffer)
-               ext2fs_free_mem(&icache->buffer);
-       if (icache->cache)
-               ext2fs_free_mem(&icache->cache);
+       ext2fs_free_mem(&icache->buffer);
+       ext2fs_free_mem(&icache->cache);
        icache->buffer_blk = 0;
        ext2fs_free_mem(&icache);
 }
@@ -113,12 +97,10 @@ static void ext2fs_free_inode_cache(struct ext2_inode_cache *icache)
  */
 void ext2fs_u32_list_free(ext2_u32_list bb)
 {
-       if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST)
+       if (!bb || bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST)
                return;
 
-       if (bb->list)
-               ext2fs_free_mem(&bb->list);
-       bb->list = 0;
+       ext2fs_free_mem(&bb->list);
        ext2fs_free_mem(&bb);
 }
 
@@ -136,9 +118,7 @@ void ext2fs_free_dblist(ext2_dblist dblist)
        if (!dblist || (dblist->magic != EXT2_ET_MAGIC_DBLIST))
                return;
 
-       if (dblist->list)
-               ext2fs_free_mem(&dblist->list);
-       dblist->list = 0;
+       ext2fs_free_mem(&dblist->list);
        if (dblist->fs && dblist->fs->dblist == dblist)
                dblist->fs->dblist = 0;
        dblist->magic = 0;
index 594090d..0004790 100644 (file)
@@ -132,8 +132,7 @@ static errcode_t ext2fs_get_pathname_int(ext2_filsys fs, ext2_ino_t dir,
        retval = 0;
 
 cleanup:
-       if (gp.name)
-               ext2fs_free_mem(&gp.name);
+       ext2fs_free_mem(&gp.name);
        return retval;
 }
 
index 0167777..7ae2a5c 100644 (file)
@@ -59,12 +59,9 @@ void ext2fs_free_icount(ext2_icount_t icount)
                return;
 
        icount->magic = 0;
-       if (icount->list)
-               ext2fs_free_mem(&icount->list);
-       if (icount->single)
-               ext2fs_free_inode_bitmap(icount->single);
-       if (icount->multiple)
-               ext2fs_free_inode_bitmap(icount->multiple);
+       ext2fs_free_mem(&icount->list);
+       ext2fs_free_inode_bitmap(icount->single);
+       ext2fs_free_inode_bitmap(icount->multiple);
        ext2fs_free_mem(&icount);
 }
 
index 00eb717..ece66fc 100644 (file)
@@ -371,7 +371,6 @@ errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags)
 
        retval = 0;
 errout:
-       if (buf)
-               free(buf);
+       free(buf);
        return (retval);
 }
index e50bece..4c386c7 100644 (file)
@@ -123,7 +123,7 @@ errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks,
                save_get_blocks = fs->get_blocks;
                fs->get_blocks = 0;
                retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
-               if (retval && fs->badblocks) {
+               if (retval) {
                        ext2fs_badblocks_list_free(fs->badblocks);
                        fs->badblocks = 0;
                }
index d9e73f7..f4fe1e0 100644 (file)
@@ -309,8 +309,7 @@ static errcode_t ima_move(ext2_irel irel, ext2_ino_t old, ext2_ino_t new)
                return ENOENT;
 
        ma->entries[(unsigned) new] = ma->entries[(unsigned) old];
-       if (ma->ref_entries[(unsigned) new].refs)
-               ext2fs_free_mem(&ma->ref_entries[(unsigned) new].refs);
+       ext2fs_free_mem(&ma->ref_entries[(unsigned) new].refs);
        ma->ref_entries[(unsigned) new] = ma->ref_entries[(unsigned) old];
 
        ma->entries[(unsigned) old].new = 0;
@@ -332,8 +331,7 @@ static errcode_t ima_delete(ext2_irel irel, ext2_ino_t old)
                return ENOENT;
 
        ma->entries[old].new = 0;
-       if (ma->ref_entries[(unsigned) old].refs)
-               ext2fs_free_mem(&ma->ref_entries[(unsigned) old].refs);
+       ext2fs_free_mem(&ma->ref_entries[(unsigned) old].refs);
        ma->orig_map[ma->entries[(unsigned) old].orig] = 0;
 
        ma->ref_entries[(unsigned) old].num = 0;
@@ -352,21 +350,17 @@ static errcode_t ima_free(ext2_irel irel)
        ma = irel->priv_data;
 
        if (ma) {
-               if (ma->orig_map)
-                       ext2fs_free_mem(&ma->orig_map);
-               if (ma->entries)
-                       ext2fs_free_mem(&ma->entries);
+               ext2fs_free_mem(&ma->orig_map);
+               ext2fs_free_mem(&ma->entries);
                if (ma->ref_entries) {
                        for (ino = 0; ino <= ma->max_inode; ino++) {
-                               if (ma->ref_entries[(unsigned) ino].refs)
-                                       ext2fs_free_mem(&ma->ref_entries[(unsigned) ino].refs);
+                               ext2fs_free_mem(&ma->ref_entries[(unsigned) ino].refs);
                        }
                        ext2fs_free_mem(&ma->ref_entries);
                }
                ext2fs_free_mem(&ma);
        }
-       if (irel->name)
-               ext2fs_free_mem(&irel->name);
+       ext2fs_free_mem(&irel->name);
        ext2fs_free_mem(&irel);
        return 0;
 }
index bf46e50..c3c0371 100644 (file)
@@ -133,8 +133,7 @@ errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum,
        ext2fs_inode_alloc_stats2(fs, ino, +1, 1);
 
 cleanup:
-       if (block)
-               ext2fs_free_mem(&block);
+       ext2fs_free_mem(&block);
        return retval;
 
 }
index 6ce4bb3..2c372f4 100644 (file)
@@ -61,8 +61,7 @@ static errcode_t follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t dir,
                pathname = (char *)&(ei.i_block[0]);
        retval = open_namei(fs, root, dir, pathname, ei.i_size, 1,
                            link_count, buf, res_inode);
-       if (buffer)
-               ext2fs_free_mem(&buffer);
+       ext2fs_free_mem(&buffer);
        return retval;
 }
 
index ae7b6e0..d5698a2 100644 (file)
@@ -163,8 +163,7 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
        if (retval)
                return retval;
        if (do_block) {
-               if (fs->block_map)
-                       ext2fs_free_block_bitmap(fs->block_map);
+               ext2fs_free_block_bitmap(fs->block_map);
                sprintf(buf, "block bitmap for %s", fs->device_name);
                retval = ext2fs_allocate_block_bitmap(fs, buf, &fs->block_map);
                if (retval)
@@ -172,8 +171,7 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
                block_bitmap = fs->block_map->bitmap;
        }
        if (do_inode) {
-               if (fs->inode_map)
-                       ext2fs_free_inode_bitmap(fs->inode_map);
+               ext2fs_free_inode_bitmap(fs->inode_map);
                sprintf(buf, "inode bitmap for %s", fs->device_name);
                retval = ext2fs_allocate_inode_bitmap(fs, buf, &fs->inode_map);
                if (retval)
@@ -247,14 +245,11 @@ static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
 cleanup:
        if (do_block) {
                ext2fs_free_mem(&fs->block_map);
-               fs->block_map = 0;
        }
        if (do_inode) {
                ext2fs_free_mem(&fs->inode_map);
-               fs->inode_map = 0;
        }
-       if (buf)
-               ext2fs_free_mem(&buf);
+       ext2fs_free_mem(&buf);
        return retval;
 }
 
index d4b3653..45f9090 100644 (file)
@@ -203,10 +203,8 @@ static errcode_t test_open(const char *name, int flags, io_channel *channel)
        return 0;
 
 cleanup:
-       if (io)
-               ext2fs_free_mem(&io);
-       if (data)
-               ext2fs_free_mem(&data);
+       ext2fs_free_mem(&io);
+       ext2fs_free_mem(&data);
        return retval;
 }
 
@@ -229,8 +227,7 @@ static errcode_t test_close(io_channel channel)
                fclose(data->outfile);
 
        ext2fs_free_mem(&channel->private_data);
-       if (channel->name)
-               ext2fs_free_mem(&channel->name);
+       ext2fs_free_mem(&channel->name);
        ext2fs_free_mem(&channel);
        return retval;
 }
index 36b2225..7f57afd 100644 (file)
@@ -280,8 +280,7 @@ static void free_cache(struct unix_private_data *data)
                cache->access_time = 0;
                cache->dirty = 0;
                cache->in_use = 0;
-               if (cache->buf)
-                       ext2fs_free_mem(&cache->buf);
+               ext2fs_free_mem(&cache->buf);
                cache->buf = 0;
        }
 }
@@ -461,8 +460,7 @@ cleanup:
                free_cache(data);
                ext2fs_free_mem(&data);
        }
-       if (io)
-               ext2fs_free_mem(&io);
+       ext2fs_free_mem(&io);
        return retval;
 }
 
@@ -487,8 +485,7 @@ static errcode_t unix_close(io_channel channel)
        free_cache(data);
 
        ext2fs_free_mem(&channel->private_data);
-       if (channel->name)
-               ext2fs_free_mem(&channel->name);
+       ext2fs_free_mem(&channel->name);
        ext2fs_free_mem(&channel);
        return retval;
 }
index b08eae4..f58f442 100644 (file)
@@ -556,10 +556,8 @@ static void add_cmd(char *cmdstr)
        }
 
        /* If we glued multiple lines together, free the memory. */
-       if(add_cmd_line) {
-               free(add_cmd_line);
-               add_cmd_line=NULL;
-       }
+       free(add_cmd_line);
+       add_cmd_line=NULL;
 }
 
 /* Append to a string, reallocating memory as necessary. */
index d5d58a1..d40012d 100644 (file)
@@ -4231,9 +4231,8 @@ out:
 #ifdef CONFIG_FEATURE_CLEAN_UP
        if(fp)
                fclose(fp);
-       if(tmp1) {
-               free(tmp1);
-       } else {
+       free(tmp1);
+       if(!tmp1) {
                free(m_name);
        }
        free(m_filename);
index 699fa7d..156ceb7 100644 (file)
@@ -1356,16 +1356,15 @@ extern int ifupdown_main(int argc, char **argv)
                        } else {
                                /* Remove an interface from the linked list */
                                if (iface_state) {
-                                       /* This needs to be done better */
+                                       const llist_t *link = iface_state->link;
                                        free(iface_state->data);
-                                       free(iface_state->link);
-                                       if (iface_state->link) {
-                                               iface_state->data = iface_state->link->data;
-                                               iface_state->link = iface_state->link->link;
-                                       } else {
-                                               iface_state->data = NULL;
-                                               iface_state->link = NULL;
+                                       iface_state->data = NULL;
+                                       iface_state->link = NULL;
+                                       if (link) {
+                                               iface_state->data = link->data;
+                                               iface_state->link = link->link;
                                        }
+                                       free(link);
                                }
                        }
                }
index 9f6acdb..931052a 100644 (file)
@@ -413,8 +413,7 @@ static void freeconfig (servtab_t *cp)
   free (cp->se_group);
   free (cp->se_server);
   for (i = 0; i < MAXARGV; i++)
-       if (cp->se_argv[i])
-         free (cp->se_argv[i]);
+       free (cp->se_argv[i]);
 }
 
 static int bump_nofile (void)
index e6011cc..22d27f2 100644 (file)
@@ -902,10 +902,8 @@ gethostinfo(const char *host)
 static void
 freehostinfo(struct hostinfo *hi)
 {
-       if (hi->name != NULL) {
-               free(hi->name);
-               hi->name = NULL;
-       }
+       free(hi->name);
+       hi->name = NULL;
        free((char *)hi->addrs);
        free((char *)hi);
 }
index e035bd4..7e7f94a 100644 (file)
@@ -217,7 +217,7 @@ int main(int argc, char *argv[])
                case 'c':
                        if (no_clientid) show_usage();
                        len = strlen(optarg) > 255 ? 255 : strlen(optarg);
-                       if (client_config.clientid) free(client_config.clientid);
+                       free(client_config.clientid);
                        client_config.clientid = xmalloc(len + 2);
                        client_config.clientid[OPT_CODE] = DHCP_CLIENT_ID;
                        client_config.clientid[OPT_LEN] = len;
@@ -230,7 +230,7 @@ int main(int argc, char *argv[])
                        break;
                case 'V':
                        len = strlen(optarg) > 255 ? 255 : strlen(optarg);
-                       if (client_config.vendorclass) free(client_config.vendorclass);
+                       free(client_config.vendorclass);
                        client_config.vendorclass = xmalloc(len + 2);
                        client_config.vendorclass[OPT_CODE] = DHCP_VENDOR;
                        client_config.vendorclass[OPT_LEN] = len;
@@ -245,7 +245,7 @@ int main(int argc, char *argv[])
                case 'h':
                case 'H':
                        len = strlen(optarg) > 255 ? 255 : strlen(optarg);
-                       if (client_config.hostname) free(client_config.hostname);
+                       free(client_config.hostname);
                        client_config.hostname = xmalloc(len + 2);
                        client_config.hostname[OPT_CODE] = DHCP_HOST_NAME;
                        client_config.hostname[OPT_LEN] = len;
@@ -253,7 +253,7 @@ int main(int argc, char *argv[])
                        break;
                case 'F':
                        len = strlen(optarg) > 255 ? 255 : strlen(optarg);
-                       if (client_config.fqdn) free(client_config.fqdn);
+                       free(client_config.fqdn);
                        client_config.fqdn = xmalloc(len + 5);
                        client_config.fqdn[OPT_CODE] = DHCP_FQDN;
                        client_config.fqdn[OPT_LEN] = len + 3;
index 01534f2..416b1fe 100644 (file)
@@ -62,7 +62,7 @@ static int read_str(const char *line, void *arg)
 {
        char **dest = arg;
 
-       if (*dest) free(*dest);
+       free(*dest);
        *dest = strdup(line);
 
        return 1;
index c871245..3051702 100644 (file)
@@ -102,8 +102,7 @@ int conf_read(const char *name)
                case S_INT:
                case S_HEX:
                case S_STRING:
-                       if (sym->user.val)
-                               free(sym->user.val);
+                       free(sym->user.val);
                default:
                        sym->user.val = NULL;
                        sym->user.tri = no;