diff options
author | Joseph Gruher <joseph.r.gruher@intel.com> | 2011-01-05 16:00:21 -0500 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-03-23 13:04:03 -0700 |
commit | 0b67526b4e76946e2b2e2da4cf8175ad78ae2879 (patch) | |
tree | fbd992547ae309b819f29e492e462dec9153309e | |
parent | 97272fc63f9c067b9c932e5b289f934044615603 (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 6b729324b8d3..30f2b333ccbd 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -285,7 +285,8 @@ 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; |