From: Christoph Hellwig <hch@lst.de>
Date: Tue, 14 Feb 2017 19:15:55 +0000 (+0100)
Subject: scsi: always zero sshdr in scsi_normalize_sense
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=148cff67b401e2229c076c0ea418712654be77e4;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

scsi: always zero sshdr in scsi_normalize_sense

This gives us a clear state even if a command didn't return sense data.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/scsi_common.c b/drivers/scsi/scsi_common.c
index b1383a71400e..a75673bb82b3 100644
--- a/drivers/scsi/scsi_common.c
+++ b/drivers/scsi/scsi_common.c
@@ -137,11 +137,11 @@ EXPORT_SYMBOL(int_to_scsilun);
 bool scsi_normalize_sense(const u8 *sense_buffer, int sb_len,
 			  struct scsi_sense_hdr *sshdr)
 {
+	memset(sshdr, 0, sizeof(struct scsi_sense_hdr));
+
 	if (!sense_buffer || !sb_len)
 		return false;
 
-	memset(sshdr, 0, sizeof(struct scsi_sense_hdr));
-
 	sshdr->response_code = (sense_buffer[0] & 0x7f);
 
 	if (!scsi_sense_valid(sshdr))