net: openvswitch: silence suspicious RCU usage warning
Silence suspicious RCU usage warning in ovs_flow_tbl_masks_cache_resize() by replacing rcu_dereference() with rcu_dereference_ovsl(). In addition, when creating a new datapath, make sure it's configured under the ovs_lock. Fixes: 9bf24f59 ("net: openvswitch: make masks cache size configurable") Reported-by: syzbot+9a8f8bfcc56e8578016c@syzkaller.appspotmail.com Signed-off-by: Eelco Chaudron <echaudro@redhat.com> Link: https://lore.kernel.org/r/160439190002.56943.1418882726496275961.stgit@ebuildSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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