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authorJohannes Berg <johannes.berg@intel.com>2015-03-03 18:02:16 +0300
committerDavid S. Miller <davem@davemloft.net>2015-03-04 08:20:22 +0300
commit2f56f6be47dbc6883e28107edfe2f9f98f4d5a24 (patch)
tree8f9f700566913bc2e0bc09d00ecee9eac492f31e /include/net/arp.h
parent71a83a6db6138b9d41d8a0b6b91cb59f6dc4742c (diff)
downloadlinux-2f56f6be47dbc6883e28107edfe2f9f98f4d5a24.tar.xz
bridge: fix bridge netlink RCU usage
When the STP timer fires, it can call br_ifinfo_notify(), which in turn ends up in the new br_get_link_af_size(). This function is annotated to be using RTNL locking, which clearly isn't the case here, and thus lockdep warns: =============================== [ INFO: suspicious RCU usage. ] 3.19.0+ #569 Not tainted ------------------------------- net/bridge/br_private.h:204 suspicious rcu_dereference_protected() usage! Fix this by doing RCU locking here. Fixes: b7853d73e39b ("bridge: add vlan info to bridge setlink and dellink notification messages") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/arp.h')
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