diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2007-03-17 09:26:36 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2007-03-17 09:26:36 +0000 |
| commit | a0902cea783baca87e97b8b6e9265532814bb774 (patch) | |
| tree | 9bc6f2c320f9480ae8894eea795e1008ab0bbdc1 /sys | |
| parent | 1a3a431bff0ebd6ac122a6cde26596d5e7ed7cc3 (diff) | |
Since we're not always called with M_WAIT, check return value from
MGETHDR and fail if it's NULL.
ok miod@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/uipc_mbuf2.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/uipc_mbuf2.c b/sys/kern/uipc_mbuf2.c index 9a3ac666564..9a7117553f5 100644 --- a/sys/kern/uipc_mbuf2.c +++ b/sys/kern/uipc_mbuf2.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uipc_mbuf2.c,v 1.27 2007/02/26 20:15:33 claudio Exp $ */ +/* $OpenBSD: uipc_mbuf2.c,v 1.28 2007/03/17 09:26:35 art Exp $ */ /* $KAME: uipc_mbuf2.c,v 1.29 2001/02/14 13:42:10 itojun Exp $ */ /* $NetBSD: uipc_mbuf.c,v 1.40 1999/04/01 00:23:25 thorpej Exp $ */ @@ -231,6 +231,8 @@ m_dup1(struct mbuf *m, int off, int len, int wait) return (NULL); if (off == 0 && (m->m_flags & M_PKTHDR) != 0) { MGETHDR(n, wait, m->m_type); + if (n == NULL) + return (NULL); M_DUP_PKTHDR(n, m); l = MHLEN; } else { |