kernel: fix uninitialized variable in bridge multicast-to-unicast patch on 4.4

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48327 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic/patches-4.4/645-bridge_multicast_to_unicast.patch b/target/linux/generic/patches-4.4/645-bridge_multicast_to_unicast.patch
index 8308835..59aa1ed 100644 (file)
--- a/target/linux/generic/patches-4.4/645-bridge_multicast_to_unicast.patch
+++ b/target/linux/generic/patches-4.4/645-bridge_multicast_to_unicast.patch
@@ -135,7 +135,11 @@ Implement optinal multicast->unicast conversion for igmp snooping
        struct igmpv3_report *ih;
        struct igmpv3_grec *grec;
        int i;
-@@ -1038,9 +1062,10 @@ static int br_ip4_multicast_igmp3_report
+@@ -1035,12 +1059,13 @@ static int br_ip4_multicast_igmp3_report
+                       continue;
+               }
+ 
++              src = eth_hdr(skb)->h_source;
                if ((type == IGMPV3_CHANGE_TO_INCLUDE ||
                     type == IGMPV3_MODE_IS_INCLUDE) &&
                    ntohs(grec->grec_nsrcs) == 0) {
@@ -143,7 +147,6 @@ Implement optinal multicast->unicast conversion for igmp snooping
 +                      br_ip4_multicast_leave_group(br, port, group, vid, src);
                } else {
 -                      err = br_ip4_multicast_add_group(br, port, group, vid);
-+                      src = eth_hdr(skb)->h_source;
 +                      err = br_ip4_multicast_add_group(br, port, group, vid, src);
                        if (err)
                                break;