From: NeilBrown <neilb@suse.de>

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 net/sunrpc/svcauth_unix.c |    4 ++++
 1 files changed, 4 insertions(+)

diff -puN net/sunrpc/svcauth_unix.c~knfsd-dont-ignore-kstrdup-failure-in-rpc-caches net/sunrpc/svcauth_unix.c
--- a/net/sunrpc/svcauth_unix.c~knfsd-dont-ignore-kstrdup-failure-in-rpc-caches
+++ a/net/sunrpc/svcauth_unix.c
@@ -53,6 +53,10 @@ struct auth_domain *unix_domain_find(cha
 			return NULL;
 		kref_init(&new->h.ref);
 		new->h.name = kstrdup(name, GFP_KERNEL);
+		if (new->h.name == NULL) {
+			kfree(new);
+			return NULL;
+		}
 		new->h.flavour = &svcauth_unix;
 		new->addr_changes = 0;
 		rv = auth_domain_lookup(name, &new->h);
_