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 get a return value > 0.
Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/scsi/scsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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;
--
2.34.1
