SUNRPC: Ensure get_rpccred() and put_rpccred() can take NULL arguments
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 6f36b2b..8997915 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -202,7 +202,8 @@
static inline
struct rpc_cred * get_rpccred(struct rpc_cred *cred)
{
- atomic_inc(&cred->cr_count);
+ if (cred != NULL)
+ atomic_inc(&cred->cr_count);
return cred;
}