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btrfs-progs: handle errors in get_inode_backref and fail in the caller

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Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-01-06 15:08:46 +01:00
parent f72a3f9f9f
commit b317ca97d3
1 changed files with 3 additions and 0 deletions
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3
cmds-check.c
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@ -952,6 +952,8 @@ static struct inode_backref *get_inode_backref(struct inode_record *rec,
} }
backref = malloc(sizeof(*backref) + namelen + 1); backref = malloc(sizeof(*backref) + namelen + 1);
if (!backref)
return NULL;
memset(backref, 0, sizeof(*backref)); memset(backref, 0, sizeof(*backref));
backref->dir = dir; backref->dir = dir;
backref->namelen = namelen; backref->namelen = namelen;
@ -972,6 +974,7 @@ static int add_inode_backref(struct cache_tree *inode_cache,
rec = get_inode_rec(inode_cache, ino, 1); rec = get_inode_rec(inode_cache, ino, 1);
BUG_ON(IS_ERR(rec)); BUG_ON(IS_ERR(rec));
backref = get_inode_backref(rec, name, namelen, dir); backref = get_inode_backref(rec, name, namelen, dir);
BUG_ON(!backref);
if (errors) if (errors)
backref->errors |= errors; backref->errors |= errors;
if (itemtype == BTRFS_DIR_INDEX_KEY) { if (itemtype == BTRFS_DIR_INDEX_KEY) {