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-rw-r--r--net/ipv6/mcast.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 882cde4b404..e3ec2169583 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1582,6 +1582,8 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
skb = add_grhead(skb, pmc, type, &pgr);
first = 0;
}
+ if (!skb)
+ return NULL;
psrc = (struct in6_addr *)skb_put(skb, sizeof(*psrc));
*psrc = psf->sf_addr;
scount++; stotal++;