[PATCH] NFS: Fix missing unlock in nfs_unlink()

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Add the missing unlock before goto.

Fixes: 3c59366c207e ("NFS: don't unhash dentry during unlink/rename")
Signed-off-by: Sun Ke <sunke32@xxxxxxxxxx>
---
 fs/nfs/dir.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index dbab3caa15ed..1b879584d4fe 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2484,8 +2484,10 @@ int nfs_unlink(struct inode *dir, struct dentry *dentry)
 	 */
 	error = -ETXTBSY;
 	if (WARN_ON(dentry->d_flags & DCACHE_NFSFS_RENAMED) ||
-	    WARN_ON(dentry->d_fsdata == NFS_FSDATA_BLOCKED))
+	    WARN_ON(dentry->d_fsdata == NFS_FSDATA_BLOCKED)) {
+		spin_unlock(&dentry->d_lock);
 		goto out;
+	}
 	if (dentry->d_fsdata)
 		/* old devname */
 		kfree(dentry->d_fsdata);
-- 
2.31.1




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