protobuf: cast the result of the macro pb_repeated_size to size_t

Signed-off-by: Alexander Kartashov <alekskartashov@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/protobuf.h

@@ -78,7 +78,7 @@ extern int pb_write_one(int fd, void *obj, int type);
 	(__proto_message_name ##__get_packed_size(__obj) + sizeof(u32))
 
 #define pb_repeated_size(__obj, __member)						\
-	(sizeof(*(__obj)->__member) * (__obj)->n_ ##__member)
+	((size_t)(sizeof(*(__obj)->__member) * (__obj)->n_ ##__member))
 
 #define pb_msg(__base, __type)			\
 	container_of(__base, __type, base)

sk-inet.c

@@ -425,7 +425,7 @@ static int inet_validate_address(InetSkEntry *ie)
 			(ie->n_dst_addr == PB_ALEN_INET6))
 		return 0;
 
-	pr_err("Addr len mismatch f %d ss %lu ds %lu\n", ie->family,
+	pr_err("Addr len mismatch f %d ss %zu ds %zu\n", ie->family,
 			pb_repeated_size(ie, src_addr),
 			pb_repeated_size(ie, dst_addr));