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Message-Id: <20201121015134.18872-1-kartilak@cisco.com>
Date: Fri, 20 Nov 2020 17:51:34 -0800
From: Karan Tilak Kumar <kartilak@...co.com>
To: satishkh@...co.com
Cc: sebaddel@...co.com, arulponn@...co.com, jejb@...ux.ibm.com,
martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
linux-kernel@...r.kernel.org,
Karan Tilak Kumar <kartilak@...co.com>
Subject: [PATCH] scsi: fnic: set scsi_set_resid only for underflow
Fix to set scsi_set_resid() only if
FCPIO_ICMND_CMPL_RESID_UNDER is set.
Signed-off-by: Karan Tilak Kumar <kartilak@...co.com>
Signed-off-by: Satish Kharat <satishkh@...co.com>
---
drivers/scsi/fnic/fnic.h | 2 +-
drivers/scsi/fnic/fnic_scsi.c | 5 +++--
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);
--
2.29.2
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