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authorSean Hefty <sean.hefty@intel.com>2007-03-19 14:31:36 -0800
committerRoland Dreier <rolandd@cisco.com>2007-03-22 14:32:09 -0700
commite07832b66285124038a96b25a2056e91a55d8b1e (patch)
treeff6a8d6cd476a830610a83a558861d05b4026fff /drivers/infiniband/hw/ipath/ipath_fs.c
parent60a596dab7c82bdfa5ee7abcee8e0ce385d4ef21 (diff)
IPoIB: Fix race in detaching from mcast group before attaching
There's a race between ipoib_mcast_leave() and ipoib_mcast_join_finish() where we can try to detach from a multicast group before we've attached to it. Fix this by reordering the code in ipoib_mcast_leave to free the multicast group first, which waits for the multicast callback thread (which calls ipoib_mcast_join_finish()) to complete before detaching from the group. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_fs.c')
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