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path: root/fs/btrfs/extent_map.c
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Diffstat (limited to 'fs/btrfs/extent_map.c')
-rw-r--r--fs/btrfs/extent_map.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index ac28eee7ae32..c1e5c7c158b8 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -1057,7 +1057,7 @@ int btrfs_split_extent_map(struct btrfs_inode *inode, u64 start, u64 len, u64 pr
btrfs_lock_extent(&inode->io_tree, start, start + len - 1, NULL);
write_lock(&em_tree->lock);
em = btrfs_lookup_extent_mapping(em_tree, start, len);
- if (!em) {
+ if (unlikely(!em)) {
ret = -EIO;
goto out_unlock;
}