NFS: Fix error handling

Fix an error handling problem: nfs_put_client() can be given a NULL pointer if nfs_free_server() is asked to destroy a partially initialised record. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
git-mirror · Sep 23, 2006 · 27ba851 · 27ba851
1 parent 6aaca56
commit 27ba851
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
@@ -208,6 +208,9 @@ static void nfs_free_client(struct nfs_client *clp)
  */
 void nfs_put_client(struct nfs_client *clp)
 {
+	if (!clp)
+		return;
+
 	dprintk("--> nfs_put_client({%d})\n", atomic_read(&clp->cl_count));
 
 	if (atomic_dec_and_lock(&clp->cl_count, &nfs_client_lock)) {