linux-kernel - [PATCH] scsi: qla2xxx: Correct setting of SAM_STAT_CHECK

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Date:   Mon,  9 Apr 2018 14:39:22 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     "Martin K . Petersen" <martin.petersen@...cle.com>
Cc:     Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
        Bart Van Assche <Bart.VanAssche@...disk.com>,
        Hannes Reinecke <hare@...e.de>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        Himanshu Madhani <himanshu.madhani@...ium.com>
Subject: [PATCH] scsi: qla2xxx: Correct setting of SAM_STAT_CHECK_CONDITION

Bart reports that in qla_isr.c's qla2x00_handle_dif_error we're
wrongly shifting the SAM_STAT_CHECK_CONDITION by one instead of
directly ORing it onto the SCSI command's result.

Signed-off-by: Johannes Thumshirn <jthumshirn@...e.de>
Reported-by: Bart Van Assche <Bart.VanAssche@....com>
Cc: Himanshu Madhani <himanshu.madhani@...ium.com>
---
 drivers/scsi/qla2xxx/qla_isr.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 49d67e1d571f..ed6cdfea00b4 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2195,7 +2195,7 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
 		    0x10, 0x1);
 		set_driver_byte(cmd, DRIVER_SENSE);
 		set_host_byte(cmd, DID_ABORT);
-		cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
+		cmd->result |= SAM_STAT_CHECK_CONDITION;
 		return 1;
 	}
 
@@ -2205,7 +2205,7 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
 		    0x10, 0x3);
 		set_driver_byte(cmd, DRIVER_SENSE);
 		set_host_byte(cmd, DID_ABORT);
-		cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
+		cmd->result |= SAM_STAT_CHECK_CONDITION;
 		return 1;
 	}
 
@@ -2215,7 +2215,7 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
 		    0x10, 0x2);
 		set_driver_byte(cmd, DRIVER_SENSE);
 		set_host_byte(cmd, DID_ABORT);
-		cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
+		cmd->result |= SAM_STAT_CHECK_CONDITION;
 		return 1;
 	}
 
-- 
2.16.2