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authorQu Wenruo <wqu@suse.com>2022-02-22 15:41:20 +0800
committerDavid Sterba <dsterba@suse.com>2022-03-14 13:13:53 +0100
commit9a4ffa1bd629c7c55a1238c65e58fe0ce9c12d08 (patch)
treeb5bd70802000d419c8d24a804eb216aa763ac2ca /fs/btrfs
parent4eb150d6122bf51744d07c569ea811e8ce4bdd6d (diff)
downloadlinux-9a4ffa1bd629c7c55a1238c65e58fe0ce9c12d08.tar.bz2
btrfs: unify the error handling of btrfs_read_buffer()
There is one oddball error handling of btrfs_read_buffer(): ret = btrfs_read_buffer(tmp, gen, parent_level - 1, &first_key); if (!ret) { *eb_ret = tmp; return 0; } free_extent_buffer(tmp); btrfs_release_path(p); return -EIO; While all other call sites check the error first. Unify the behavior. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/ctree.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 9b2d9cd41676..0eecf98d0abb 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1438,13 +1438,13 @@ read_block_for_search(struct btrfs_root *root, struct btrfs_path *p,
/* now we're allowed to do a blocking uptodate check */
ret = btrfs_read_buffer(tmp, gen, parent_level - 1, &first_key);
- if (!ret) {
- *eb_ret = tmp;
- return 0;
+ if (ret) {
+ free_extent_buffer(tmp);
+ btrfs_release_path(p);
+ return -EIO;
}
- free_extent_buffer(tmp);
- btrfs_release_path(p);
- return -EIO;
+ *eb_ret = tmp;
+ return 0;
}
/*