We should drop the lock on this error path.  This is from static
analysis and I don't know if it's possible to hit this error path in
real life.

Signed-off-by: Dan Carpenter <[email protected]>
---
 fs/btrfs/dev-replace.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 13863354ff9d..ee193c5222b2 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -862,6 +862,7 @@ int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
                        btrfs_destroy_dev_replace_tgtdev(tgt_device);
                break;
        default:
+               up_write(&dev_replace->rwsem);
                result = -EINVAL;
        }
 
-- 
2.17.1

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