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[10/12] scsi: Fix sshdr use in scsi_cdl_enable

Message ID 20231003205054.84507-11-michael.christie@oracle.com (mailing list archive)
State Superseded
Headers show
Series scsi: sshdr and retry fixes | expand

Commit Message

Mike Christie Oct. 3, 2023, 8:50 p.m. UTC 
If scsi_execute_cmd returns < 0, it doesn't initialize the sshdr, so we
shouldn't access the sshdr. If it returns 0, then the cmd executed
successfully, so there is no need to check the sshdr. This has us access
the sshdr when we get a return value > 0.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
---
 drivers/scsi/scsi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index d0911bc28663..d1c0ba3ef1f5 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -692,7 +692,7 @@  int scsi_cdl_enable(struct scsi_device *sdev, bool enable)
 		ret = scsi_mode_select(sdev, 1, 0, buf_data, len, 5 * HZ, 3,
 				       &data, &sshdr);
 		if (ret) {
-			if (scsi_sense_valid(&sshdr))
+			if (ret > 0 && scsi_sense_valid(&sshdr))
 				scsi_print_sense_hdr(sdev,
 					dev_name(&sdev->sdev_gendev), &sshdr);
 			return ret;