diff options
| author | np <np@FreeBSD.org> | 2010-01-03 06:43:13 +0000 |
|---|---|---|
| committer | np <np@FreeBSD.org> | 2010-01-03 06:43:13 +0000 |
| commit | 10cde58f3351ae7a0259283bb9d59cf3fa7da6aa (patch) | |
| tree | 3ed873e17ddf15403e9a4259de3f0ce05c04576e /sys/netinet/if_ether.c | |
| parent | 208b7df0e93173e296299655ec365c88a56f736d (diff) | |
| download | FreeBSD-src-10cde58f3351ae7a0259283bb9d59cf3fa7da6aa.zip FreeBSD-src-10cde58f3351ae7a0259283bb9d59cf3fa7da6aa.tar.gz | |
Avoid NULL dereference in arpresolve.
Diffstat (limited to 'sys/netinet/if_ether.c')
| -rw-r--r-- | sys/netinet/if_ether.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c index 4e26ebc..a259278 100644 --- a/sys/netinet/if_ether.c +++ b/sys/netinet/if_ether.c @@ -372,8 +372,8 @@ retry: 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); |
