net/sunrpc/svc.c: suppress unintialized var warning

net/sunrpc/svc.c: In function '__svc_create_thread':
net/sunrpc/svc.c:587: warning: 'oldmask.bits[0u]' may be used uninitialized in this function

Cc: Neil Brown <neilb@suse.de>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Tom Tucker <tom@opengridcomputing.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

net/sunrpc/svc.c

@@ -590,7 +590,7 @@ __svc_create_thread(svc_thread_fn func, struct svc_serv *serv,
 	struct svc_rqst	*rqstp;
 	int		error = -ENOMEM;
 	int		have_oldmask = 0;
-	cpumask_t	oldmask;
+	cpumask_t	uninitialized_var(oldmask);
 
 	rqstp = svc_prepare_thread(serv, pool);
 	if (IS_ERR(rqstp)) {