diff --git a/fs/cifs/asn1.c b/fs/cifs/asn1.c
index f58e41d3ba485d97bbf57726e7087d5ec6db1d63..42765465701c4911bf5ec94ca7c04f2d89ce891b 100644
--- a/fs/cifs/asn1.c
+++ b/fs/cifs/asn1.c
@@ -400,7 +400,7 @@ asn1_oid_decode(struct asn1_ctx *ctx,
 	size = eoc - ctx->pointer + 1;
 
 	/* first subid actually encodes first two subids */
-	if (size < 2 || size > ULONG_MAX/sizeof(unsigned long))
+	if (size < 2 || size > UINT_MAX/sizeof(unsigned long))
 		return 0;
 
 	*oid = kmalloc(size * sizeof(unsigned long), GFP_ATOMIC);