if_wg: wg_input: remove a couple locals (NFC)

We have no use for the udphdr or this hlen local, just spell out the
addition inline.

MFC after:	3 days
Reviewed by:	grehan, markj
Differential Revision:	https://reviews.freebsd.org/D29142

This commit is contained in:

Kyle Evans

2021-03-09 04:59:21 -06:00

parent e4b8deb222

commit 299f8977ce

1 changed files with 3 additions and 6 deletions

									
										sys/dev/if_wg/module/if_wg_session.c
									
		+3
		-6
	
												View File
												
				@@ -1891,17 +1891,14 @@ wg_input(struct mbuf *m0, int offset, struct inpcb *inpcb,

					struct wg_pkt_data *pkt_data;

					struct wg_endpoint *e;

					struct wg_softc *sc = _sc;

					struct udphdr *uh;

					struct mbuf *m;

					int pktlen, pkttype, hlen;

					int pktlen, pkttype;

					struct noise_remote *remote;

					struct wg_tag *t;

					void *data;

					uh = (struct udphdr *)(m0->m_data + offset);

					hlen = offset + sizeof(struct udphdr);

					m_adj(m0, hlen);

					/* Caller provided us with srcsa, no need for this header. */

					m_adj(m0, offset + sizeof(struct udphdr));

					/*

					 * Ensure mbuf has at least enough contiguous data to peel off our