On 8/13/21 6:49 AM, John Garry wrote:
It is never read. Setting it and the request tag seems dodgy
anyway.
This is done because there is code in the SCSI error handler that may
allocate a SCSI command without allocating a tag. See also
scsi_ioctl_reset().
quoted hunk ↗ jump to hunk
---
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 0f9cedf78872..f8afbfb468dc 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -2213,7 +2213,7 @@ fnic_scsi_host_start_tag(struct fnic *fnic, struct scsi_cmnd *sc)
if (IS_ERR(dummy))
return SCSI_NO_TAG;
- sc->tag = rq->tag = dummy->tag;
+ rq->tag = dummy->tag;
sc->host_scribble = (unsigned char *)dummy;
Reviewed-by: Bart Van Assche <bvanassche@acm.org>