diff options
| author | Joseph Gruher <joseph.r.gruher@intel.com> | 2011-01-05 16:00:21 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-03-21 12:45:51 -0700 |
| commit | 314877d903f32978fc0fbd7eb335c044c9887c27 (patch) | |
| tree | 5b6ebd4633d77db6b923367441bfc42950916837 | |
| parent | 0fa74a5c1ce6166671879098666a6b9caa1c8af4 (diff) | |
scsi_dh_alua: fix deadlock in stpg_endio
commit ed0f36bc5719b25659b637f80ceea85494b84502 upstream.
The use of blk_execute_rq_nowait() implies __blk_put_request() is needed
in stpg_endio() rather than blk_put_request() -- blk_finish_request() is
called with queue lock already held.
Signed-off-by: Joseph Gruher <joseph.r.gruher@intel.com>
Signed-off-by: Ilgu Hong <ilgu.hong@promise.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_alua.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index bc9e94f5915..d991f4b0947 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -281,7 +281,8 @@ static void stpg_endio(struct request *req, int error) print_alua_state(h->state)); } done: - blk_put_request(req); + req->end_io_data = NULL; + __blk_put_request(req->q, req); if (h->callback_fn) { h->callback_fn(h->callback_data, err); h->callback_fn = h->callback_data = NULL; |