flow_dissector: do not rely on implicit casts

This change fixes a couple of type mismatch reported by the sparse
tool, explicitly using the requested type for the offending arguments.

Signed-off-by: Paolo Abeni <[e-mail]>
Acked-by: Jon Maloy <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

include/net/tipc.h

···
 	__be32 w[4];
 };
 
-static inline u32 tipc_hdr_rps_key(struct tipc_basic_hdr *hdr)
+static inline __be32 tipc_hdr_rps_key(struct tipc_basic_hdr *hdr)
 {
 	u32 w0 = ntohl(hdr->w[0]);
 	bool keepalive_msg = (w0 & KEEPALIVE_MSG_MASK) == KEEPALIVE_MSG_MASK;
-	int key;
+	__be32 key;
 
 	/* Return source node identity as key */
 	if (likely(!keepalive_msg))

net/core/flow_dissector.c

···
 {
 	struct flow_keys_basic keys;
 
-	if (!skb_flow_dissect_flow_keys_basic(skb, &keys, 0, 0, 0, 0, 0))
+	if (!skb_flow_dissect_flow_keys_basic(skb, &keys, NULL, 0, 0, 0, 0))
 		return 0;
 
 	return __skb_get_poff(skb, skb->data, &keys, skb_headlen(skb));