btrfs-progs: use calloc instead of malloc+memset

[platform/upstream/btrfs-progs.git] / cmds-check.c

diff --git a/cmds-check.c b/cmds-check.c
index 0b14b61..fe51aae 100644 (file)
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -3020,8 +3020,7 @@ static struct root_backref *get_root_backref(struct root_record *rec,
                return backref;
        }
 
-       backref = malloc(sizeof(*backref) + namelen + 1);
-       memset(backref, 0, sizeof(*backref) + namelen + 1);
+       backref = calloc(1, sizeof(*backref) + namelen + 1);
        backref->ref_root = ref_root;
        backref->dir = dir;
        backref->index = index;
@@ -4892,14 +4891,12 @@ struct chunk_record *btrfs_new_chunk_record(struct extent_buffer *leaf,
        ptr = btrfs_item_ptr(leaf, slot, struct btrfs_chunk);
        num_stripes = btrfs_chunk_num_stripes(leaf, ptr);
 
-       rec = malloc(btrfs_chunk_record_size(num_stripes));
+       rec = calloc(1, btrfs_chunk_record_size(num_stripes));
        if (!rec) {
                fprintf(stderr, "memory allocation failed\n");
                exit(-1);
        }
 
-       memset(rec, 0, btrfs_chunk_record_size(num_stripes));
-
        INIT_LIST_HEAD(&rec->list);
        INIT_LIST_HEAD(&rec->dextents);
        rec->bg_rec = NULL;
@@ -4997,12 +4994,11 @@ btrfs_new_block_group_record(struct extent_buffer *leaf, struct btrfs_key *key,
        struct btrfs_block_group_item *ptr;
        struct block_group_record *rec;
 
-       rec = malloc(sizeof(*rec));
+       rec = calloc(1, sizeof(*rec));
        if (!rec) {
                fprintf(stderr, "memory allocation failed\n");
                exit(-1);
        }
-       memset(rec, 0, sizeof(*rec));
 
        rec->cache.start = key->objectid;
        rec->cache.size = key->offset;
@@ -5046,12 +5042,11 @@ btrfs_new_device_extent_record(struct extent_buffer *leaf,
        struct device_extent_record *rec;
        struct btrfs_dev_extent *ptr;
 
-       rec = malloc(sizeof(*rec));
+       rec = calloc(1, sizeof(*rec));
        if (!rec) {
                fprintf(stderr, "memory allocation failed\n");
                exit(-1);
        }
-       memset(rec, 0, sizeof(*rec));
 
        rec->cache.objectid = key->objectid;
        rec->cache.start = key->offset;