nfs: fix wrong object type in lockowner_slab

The object type in the cache of lockowner_slab is wrong, and it is
better to fix it.

Cc: stable@vger.kernel.org
Signed-off-by: Yanchuan Nian <ycnian@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 620ff81..fba2996 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2340,7 +2340,7 @@
 	if (openowner_slab == NULL)
 		goto out_nomem;
 	lockowner_slab = kmem_cache_create("nfsd4_lockowners",
-			sizeof(struct nfs4_openowner), 0, 0, NULL);
+			sizeof(struct nfs4_lockowner), 0, 0, NULL);
 	if (lockowner_slab == NULL)
 		goto out_nomem;
 	file_slab = kmem_cache_create("nfsd4_files",