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authorLiu Bo <bo.liu@linux.alibaba.com>2018-05-18 11:00:19 +0800
committerDavid Sterba <dsterba@suse.com>2018-05-30 16:46:44 +0200
commitca19b4a69962fa850d5a22aa7a335106fcba0473 (patch)
tree496ae6ca6bb880e10b2743443636e0e6c5d45421 /fs/btrfs
parent4ca616832783ce6563b59b2d4764fdbb272e0362 (diff)
downloadlinux-ca19b4a69962fa850d5a22aa7a335106fcba0473.tar.gz
Btrfs: remove superfluous free_extent_buffer in read_block_for_search
read_block_for_search() can be simplified as:

tmp = find_extent_buffer();
if (tmp)
   return;

...

free_extent_buffer();
read_tree_block();

Apparently, @tmp must be NULL at this point, free_extent_buffer() is not
needed.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-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.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 8c68961925b1..820226d42d5d 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -2432,7 +2432,6 @@ read_block_for_search(struct btrfs_root *root, struct btrfs_path *p,
 	btrfs_unlock_up_safe(p, level + 1);
 	btrfs_set_path_blocking(p);
 
-	free_extent_buffer(tmp);
 	if (p->reada != READA_NONE)
 		reada_for_search(fs_info, p, level, slot, key->objectid);