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scsi: scsi_transport_fc: fix NULL pointer dereference in fc_bsg_job_timeout

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bsg-lib now embeddeds the job structure into the request, and
req->special can't be used anymore.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2017-09-07 13:54:36 +02:00 committed by Martin K. Petersen
parent 3882a734c1
commit b468b6a496
1 changed files with 1 additions and 1 deletions
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drivers/scsi/scsi_transport_fc.c
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@ -3571,7 +3571,7 @@ fc_vport_sched_delete(struct work_struct *work)
static enum blk_eh_timer_return
fc_bsg_job_timeout(struct request *req)
{
struct bsg_job *job = (void *) req->special;
struct bsg_job *job = blk_mq_rq_to_pdu(req);
struct Scsi_Host *shost = fc_bsg_to_shost(job);
struct fc_rport *rport = fc_bsg_to_rport(job);
struct fc_internal *i = to_fc_internal(shost->transportt);