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ath_getmbuf: check MCLGET failure.

This commit is contained in:
yamt 2004-09-28 11:34:37 +00:00
parent 159aa790f6
commit 478d44cb16
1 changed files with 8 additions and 3 deletions
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11
sys/dev/ic/ath.c
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@ -1,4 +1,4 @@
/* $NetBSD: ath.c,v 1.38 2004/09/07 01:15:59 enami Exp $ */
/* $NetBSD: ath.c,v 1.39 2004/09/28 11:34:37 yamt Exp $ */
/*-
* Copyright (c) 2002-2004 Sam Leffler, Errno Consulting
@ -41,7 +41,7 @@
__FBSDID("$FreeBSD: src/sys/dev/ath/if_ath.c,v 1.54 2004/04/05 04:42:42 sam Exp $");
#endif
#ifdef __NetBSD__
__KERNEL_RCSID(0, "$NetBSD: ath.c,v 1.38 2004/09/07 01:15:59 enami Exp $");
__KERNEL_RCSID(0, "$NetBSD: ath.c,v 1.39 2004/09/28 11:34:37 yamt Exp $");
#endif
/*
@ -1532,8 +1532,13 @@ ath_getmbuf(int flags, int type, u_int pktlen)
m = m_getcl(flags, type, M_PKTHDR);
#else
MGETHDR(m, flags, type);
if (m != NULL && pktlen > MHLEN)
if (m != NULL && pktlen > MHLEN) {
MCLGET(m, flags);
if ((m->m_flags & M_EXT) == 0) {
m_free(m);
m = NULL;
}
}
#endif
return m;
}