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avoid null pointer deref 

remove wrong comment
yamt@netbsd
This commit is contained in:
itojun 2004-06-01 03:05:26 +00:00
parent 76b92d1ae9
commit caf5cb18b4
1 changed files with 7 additions and 7 deletions
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14
sys/netkey/keysock.c
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@ -1,4 +1,4 @@
/* $NetBSD: keysock.c,v 1.35 2004/06/01 02:01:14 itojun Exp $ */
/* $NetBSD: keysock.c,v 1.36 2004/06/01 03:05:26 itojun Exp $ */
/* $KAME: keysock.c,v 1.32 2003/08/22 05:45:08 itojun Exp $ */
/*
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: keysock.c,v 1.35 2004/06/01 02:01:14 itojun Exp $");
__KERNEL_RCSID(0, "$NetBSD: keysock.c,v 1.36 2004/06/01 03:05:26 itojun Exp $");
#include "opt_inet.h"
@ -240,10 +240,8 @@ key_sendup0(rp, m, promisc, canwait)
kp->kp_queue = NULL;
} else
m->m_nextpkt = NULL; /* just for safety */
} else {
/* NOTE: kp_queue is !NULL */
} else
m->m_nextpkt = NULL;
}
for (; m && error == 0; m = n) {
n = m->m_nextpkt;
@ -295,8 +293,10 @@ recovery:
* insert m to the head of queue, as normally mbuf on the queue
* is less important than others.
*/
m->m_nextpkt = kp->kp_queue;
kp->kp_queue = m;
if (m) {
m->m_nextpkt = kp->kp_queue;
kp->kp_queue = m;
}
} else {
/* recover the queue */
if (!m) {