Like sd_pr_command, before use sshdr, we need to check the result
of scsi_execute.
Signed-off-by: zhengbin <zhengbin13@xxxxxxxxxx>
---
drivers/scsi/device_handler/scsi_dh_emc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index caa685c..cf49378 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -267,7 +267,8 @@ static int send_trespass_cmd(struct scsi_device *sdev,
&sshdr, CLARIION_TIMEOUT * HZ, CLARIION_RETRIES,
req_flags, 0, NULL);
if (err) {
- if (scsi_sense_valid(&sshdr))
+ if (driver_byte(err) == DRIVER_SENSE &&
+ scsi_sense_valid(&sshdr))
res = trespass_endio(sdev, &sshdr);
else {
sdev_printk(KERN_INFO, sdev,
--
2.7.4
