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(parent: ac72d76) | patch
IB/srp: Fix a race condition between failing I/O and I/O completion
authorBart Van Assche <bvanassche@acm.org>
Fri, 14 Mar 2014 12:54:11 +0000 (13:54 +0100)
committerRoland Dreier <roland@purestorage.com>
Mon, 24 Mar 2014 17:05:31 +0000 (10:05 -0700)
commitb3fe628da2898cf1387105026dfed551ecc25de5
tree6df463ae165b00ab3ca3f005e98853f8c97e2565tree | snapshot (tar.gz zip)
parentac72d766a8e44d782bd5480fc953ab6025c82e92commit | diff
IB/srp: Fix a race condition between failing I/O and I/O completion

Avoid that srp_terminate_io() can access req->scmnd after it has been
cleared by the I/O completion code. Do this by protecting req->scmnd
accesses from srp_terminate_io() via locking

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
drivers/infiniband/ulp/srp/ib_srp.c diff | blob | blame | history