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Check value return from lle_create() for NULL.

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This bug sneaked unnoticed in r286722.

Reported by:	adrian
This commit is contained in:
Alexander V. Chernikov 2015-08-19 21:08:42 +00:00
parent a2db2e2fac
commit a4141c63c5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=286945
1 changed files with 6 additions and 3 deletions
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9
sys/netinet/if_ether.c
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@ -790,10 +790,13 @@ in_arpinput(struct mbuf *m)
*/
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)