[IPV6]: Fix warning in ip6_mc_msfilter.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 398c982625f8..29fed6e58d0a 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -509,6 +509,7 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
                 return -ENODEV;
         dev = idev->dev;
 
+        err = 0;
         if (gsf->gf_fmode == MCAST_INCLUDE && gsf->gf_numsrc == 0) {
                 leavegroup = 1;
                 goto done;