From 567ac2b268739a751df819d1aa68404f430151cb Mon Sep 17 00:00:00 2001 From: des Date: Tue, 8 Apr 2003 14:25:47 +0000 Subject: Introduce an M_ASSERTPKTHDR() macro which performs the very common task of asserting that an mbuf has a packet header. Use it instead of hand- rolled versions wherever applicable. Submitted by: Hiten Pandya --- sys/dev/vx/if_vx.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'sys/dev/vx') diff --git a/sys/dev/vx/if_vx.c b/sys/dev/vx/if_vx.c index 143a821..3106de0 100644 --- a/sys/dev/vx/if_vx.c +++ b/sys/dev/vx/if_vx.c @@ -400,12 +400,9 @@ vxstart(ifp) startagain: /* Sneak a peek at the next packet */ m = ifp->if_snd.ifq_head; - if (m == NULL) { - return; - } + /* We need to use m->m_pkthdr.len, so require the header */ - if ((m->m_flags & M_PKTHDR) == 0) - panic("vxstart: no header mbuf"); + M_ASSERTPKTHDR(m); len = m->m_pkthdr.len; pad = (4 - len) & 3; -- cgit v1.1