udf: improve readability of udf_load_partition

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/udf/super.c b/fs/udf/super.c
index 52d2c32..2048351 100644 (file)
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1447,44 +1447,45 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
        sbi = UDF_SB(sb);
 
        for (i = 0; i < ARRAY_SIZE(sbi->s_anchor); i++) {
-               if (sbi->s_anchor[i] &&
-                   (bh = udf_read_tagged(sb, sbi->s_anchor[i],
-                                         sbi->s_anchor[i], &ident))) {
-                       anchor = (struct anchorVolDescPtr *)bh->b_data;
-
-                       /* Locate the main sequence */
-                       main_s = le32_to_cpu(
-                                       anchor->mainVolDescSeqExt.extLocation);
-                       main_e = le32_to_cpu(
-                                       anchor->mainVolDescSeqExt.extLength);
-                       main_e = main_e >> sb->s_blocksize_bits;
-                       main_e += main_s;
-
-                       /* Locate the reserve sequence */
-                       reserve_s = le32_to_cpu(
+               if (!sbi->s_anchor[i])
+                       continue;
+               bh = udf_read_tagged(sb, sbi->s_anchor[i], sbi->s_anchor[i],
+                                    &ident);
+               if (!bh)
+                       continue;
+
+               anchor = (struct anchorVolDescPtr *)bh->b_data;
+
+               /* Locate the main sequence */
+               main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation);
+               main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength);
+               main_e = main_e >> sb->s_blocksize_bits;
+               main_e += main_s;
+
+               /* Locate the reserve sequence */
+               reserve_s = le32_to_cpu(
                                anchor->reserveVolDescSeqExt.extLocation);
-                       reserve_e = le32_to_cpu(
+               reserve_e = le32_to_cpu(
                                anchor->reserveVolDescSeqExt.extLength);
-                       reserve_e = reserve_e >> sb->s_blocksize_bits;
-                       reserve_e += reserve_s;
+               reserve_e = reserve_e >> sb->s_blocksize_bits;
+               reserve_e += reserve_s;
 
-                       brelse(bh);
+               brelse(bh);
 
-                       /* Process the main & reserve sequences */
-                       /* responsible for finding the PartitionDesc(s) */
-                       if (!(udf_process_sequence(sb, main_s, main_e,
-                                                  fileset) &&
-                             udf_process_sequence(sb, reserve_s, reserve_e,
-                                                  fileset)))
-                               break;
-               }
+               /* Process the main & reserve sequences */
+               /* responsible for finding the PartitionDesc(s) */
+               if (!(udf_process_sequence(sb, main_s, main_e,
+                                          fileset) &&
+                     udf_process_sequence(sb, reserve_s, reserve_e,
+                                          fileset)))
+                       break;
        }
 
        if (i == ARRAY_SIZE(sbi->s_anchor)) {
                udf_debug("No Anchor block found\n");
                return 1;
-       } else
-               udf_debug("Using anchor in block %d\n", sbi->s_anchor[i]);
+       }
+       udf_debug("Using anchor in block %d\n", sbi->s_anchor[i]);
 
        for (i = 0; i < sbi->s_partitions; i++) {
                kernel_lb_addr uninitialized_var(ino);