diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 13ea10cf8544176dac3dbcf60b1dbff62bf9b506..98ebce9f6a515d85b749b9c880a172f37ad2a6a1 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1406,14 +1406,18 @@ EXPORT_SYMBOL_GPL(skb_morph);
 
 int mm_account_pinned_pages(struct mmpin *mmp, size_t size)
 {
-	unsigned long max_pg, num_pg, new_pg, old_pg;
+	unsigned long max_pg, num_pg, new_pg, old_pg, rlim;
 	struct user_struct *user;
 
 	if (capable(CAP_IPC_LOCK) || !size)
 		return 0;
 
+	rlim = rlimit(RLIMIT_MEMLOCK);
+	if (rlim == RLIM_INFINITY)
+		return 0;
+
 	num_pg = (size >> PAGE_SHIFT) + 2;	/* worst case */
-	max_pg = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
+	max_pg = rlim >> PAGE_SHIFT;
 	user = mmp->user ? : current_user();
 
 	old_pg = atomic_long_read(&user->locked_vm);