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Simplify argument to MGET(), to generate better code.

This commit is contained in:
mycroft 1998-12-12 16:36:24 +00:00
parent a6717054a4
commit 90b7cbc727
1 changed files with 8 additions and 5 deletions
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11
sys/dev/ic/elink3.c
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@ -1,4 +1,4 @@
/* $NetBSD: elink3.c,v 1.50 1998/11/18 18:34:52 thorpej Exp $ */
/* $NetBSD: elink3.c,v 1.51 1998/12/12 16:36:24 mycroft Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -1915,15 +1915,18 @@ epmbuffill(v)
void *v;
{
struct ep_softc *sc = v;
struct mbuf *m;
int s, i;
s = splnet();
i = sc->last_mb;
do {
if (sc->mb[i] == NULL)
MGET(sc->mb[i], M_DONTWAIT, MT_DATA);
if (sc->mb[i] == NULL)
if (sc->mb[i] == 0) {
MGET(m, M_DONTWAIT, MT_DATA);
if (m == 0)
break;
sc->mb[i] = m;
}
i = (i + 1) % MAX_MBS;
} while (i != sc->next_mb);
sc->last_mb = i;