Author: melifaro
Date: Wed Aug 19 21:08:42 2015
New Revision: 286945
URL: https://svnweb.freebsd.org/changeset/base/286945
Log:
Check value return from lle_create() for NULL.
This bug sneaked unnoticed in r286722.
Reported by: adrian
Modified:
head/sys/netinet/if_ether.c
Modified: head/sys/netinet/if_ether.c
==============================================================================
--- head/sys/netinet/if_ether.c Wed Aug 19 21:04:50 2015 (r286944)
+++ head/sys/netinet/if_ether.c Wed Aug 19 21:08:42 2015 (r286945)
@@ -790,10 +790,13 @@ match:
*/
IF_AFDATA_WLOCK(ifp);
la = lla_create(LLTABLE(ifp), 0, (struct sockaddr *)&sin);
- arp_update_lle(ah, ifp, la);
+ if (la != NULL)
+ arp_update_lle(ah, ifp, la);
IF_AFDATA_WUNLOCK(ifp);
- arp_mark_lle_reachable(la);
- LLE_WUNLOCK(la);
+ if (la != NULL) {
+ arp_mark_lle_reachable(la);
+ LLE_WUNLOCK(la);
+ }
}
reply:
if (op != ARPOP_REQUEST)
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