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btrfs: unify checking of IS_ERR and null

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use IS_ERR_OR_NULL when possible, done by this coccinelle script:

@ match @
identifier id;
@@
(
- BUG_ON(IS_ERR(id) || !id);
+ BUG_ON(IS_ERR_OR_NULL(id));
|
- IS_ERR(id) || !id
+ IS_ERR_OR_NULL(id)
|
- !id || IS_ERR(id)
+ IS_ERR_OR_NULL(id)
)

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba
2011-04-19 18:00:01 +02:00
parent 4891aca2da
commit c704005d88
6 changed files with 17 additions and 17 deletions
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2
fs/btrfs/relocation.c
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@@ -3220,7 +3220,7 @@ static int delete_block_group_cache(struct btrfs_fs_info *fs_info,
key.offset = 0;
inode = btrfs_iget(fs_info->sb, &key, root, NULL);
if (!inode || IS_ERR(inode) || is_bad_inode(inode)) {
if (IS_ERR_OR_NULL(inode) || is_bad_inode(inode)) {
if (inode && !IS_ERR(inode))
iput(inode);
return -ENOENT;