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authorRoopa Prabhu <roopa@cumulusnetworks.com>2015-01-28 16:23:11 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-02-26 17:48:48 -0800
commitb4faf21b76b2a0cf00e5a75e73efb22a09868b18 (patch)
tree734e02603da6a2e10a31fe650251d66a20a351d2 /fs
parent650a7901c0fe0c3b0e5d9c1c945f140058585a6f (diff)
downloadlinux-linaro-stable-b4faf21b76b2a0cf00e5a75e73efb22a09868b18.tar.gz
bridge: dont send notification when skb->len == 0 in rtnl_bridge_notify
[ Upstream commit 59ccaaaa49b5b096cdc1f16706a9f931416b2332 ] Reported in: https://bugzilla.kernel.org/show_bug.cgi?id=92081 This patch avoids calling rtnl_notify if the device ndo_bridge_getlink handler does not return any bytes in the skb. Alternately, the skb->len check can be moved inside rtnl_notify. For the bridge vlan case described in 92081, there is also a fix needed in bridge driver to generate a proper notification. Will fix that in subsequent patch. v2: rebase patch on net tree Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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