d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Avoid NULL dereference in arpresolve.

Browse Source
This commit is contained in:
Navdeep Parhar 2010-01-03 06:43:13 +00:00
parent dd2bf8ea67
commit 567145993f
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/netinet/if_ether.c
View File

@ -372,8 +372,8 @@ arpresolve(struct ifnet *ifp, struct rtentry *rt0, struct mbuf *m,
if (la->la_asked < V_arp_maxtries)
error = EWOULDBLOCK; /* First request. */
else
error =
(rt0->rt_flags & RTF_GATEWAY) ? EHOSTUNREACH : EHOSTDOWN;
error = rt0 != NULL && (rt0->rt_flags & RTF_GATEWAY) ?
EHOSTUNREACH : EHOSTDOWN;
if (renew) {
LLE_ADDREF(la);