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authorKaran Tilak Kumar <kartilak@cisco.com>2020-11-21 04:51:34 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2020-11-24 06:37:50 +0300
commit74ae6d6a6805f9fe162e4527d8ff0f7d2f9bc0d0 (patch)
tree0961d1907387b6fe101762cd413ef9e83aad1b13 /drivers/scsi/fnic
parent875d4eda3bd67315418f4e6f6725a877aa1786b5 (diff)
downloadlinux-74ae6d6a6805f9fe162e4527d8ff0f7d2f9bc0d0.tar.xz
scsi: fnic: Set scsi_set_resid() only for underflow
Set scsi_set_resid() only if FCPIO_ICMND_CMPL_RESID_UNDER is set. Link: https://lore.kernel.org/r/20201121015134.18872-1-kartilak@cisco.com Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fnic')
-rw-r--r--drivers/scsi/fnic/fnic.h2
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c5
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index 7c5c911b2673..e4d399f41a0a 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -39,7 +39,7 @@
#define DRV_NAME "fnic"
#define DRV_DESCRIPTION "Cisco FCoE HBA Driver"
-#define DRV_VERSION "1.6.0.51"
+#define DRV_VERSION "1.6.0.52"
#define PFX DRV_NAME ": "
#define DFX DRV_NAME "%d: "
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 16e66f5b833a..532c3c7ae372 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -921,10 +921,11 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
case FCPIO_SUCCESS:
sc->result = (DID_OK << 16) | icmnd_cmpl->scsi_status;
xfer_len = scsi_bufflen(sc);
- scsi_set_resid(sc, icmnd_cmpl->residual);
- if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER)
+ if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER) {
xfer_len -= icmnd_cmpl->residual;
+ scsi_set_resid(sc, icmnd_cmpl->residual);
+ }
if (icmnd_cmpl->scsi_status == SAM_STAT_CHECK_CONDITION)
atomic64_inc(&fnic_stats->misc_stats.check_condition);