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Check retifma for NULL before using it.

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PR:		kern/9391
Submitted by:	Assar Westerlund <assar@sics.se>
MFC after:	3 days
This commit is contained in:
Jonathan Mini 2002-07-02 08:23:00 +00:00
parent 0830bd135e
commit 13990766ef
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99250
1 changed files with 2 additions and 1 deletions
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3
sys/net/if.c
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@ -1749,7 +1749,8 @@ if_addmulti(ifp, sa, retifma)
s = splimp();
TAILQ_INSERT_HEAD(&ifp->if_multiaddrs, ifma, ifma_link);
splx(s);
*retifma = ifma;
if (retifma != NULL)
*retifma = ifma;
if (llsa != 0) {
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {