On Thu, Apr 29, 2021 at 02:25:17PM +0200, Hannes Reinecke wrote: > fnic_wq_copy_cleanup_handler() is using scsi_host_find_tag() to > map id to a scsi command. However, as per discussion on the mailinglist > scsi_host_find_tag() might return a non-started request, so we need > to check the returned command with blk_mq_request_started() to avoid > the function tripping over a non-initialized command. > > Signed-off-by: Hannes Reinecke <hare@xxxxxxx> > --- > drivers/scsi/fnic/fnic_scsi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c > index 762cc8bd2653..b9fd3d87416b 100644 > --- a/drivers/scsi/fnic/fnic_scsi.c > +++ b/drivers/scsi/fnic/fnic_scsi.c > @@ -1466,7 +1466,7 @@ void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq, > return; > > sc = scsi_host_find_tag(fnic->lport->host, id); > - if (!sc) > + if (!sc || !blk_mq_request_started(sc->request)) > return; scsi_host_find_tag() has covered blk_mq_request_started check already, so this patch isn't necessary. Thanks, Ming