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In ifa_ifwithdstaddr() when walking through ifa structs associated with

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a point-to-point link, don't attempt a comparison if the pointer to the
destination sockaddr is NULL (i.e. it has not been set/initialized).
This commit is contained in:
David Greenman 1995-02-24 11:47:31 +00:00
parent 5865e890a7
commit 55088a1c1e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=6687
1 changed files with 2 additions and 2 deletions
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4
sys/net/if.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)if.c 8.3 (Berkeley) 1/4/94
* $Id: if.c,v 1.11 1994/12/21 22:56:58 wollman Exp $
* $Id: if.c,v 1.12 1994/12/30 06:46:20 davidg Exp $
*/
#include <sys/param.h>
@ -208,7 +208,7 @@ ifa_ifwithdstaddr(addr)
for (ifa = ifp->if_addrlist; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != addr->sa_family)
continue;
if (equal(addr, ifa->ifa_dstaddr))
if (ifa->ifa_dstaddr && equal(addr, ifa->ifa_dstaddr))
return (ifa);
}
return ((struct ifaddr *)0);