From 148cff67b401e2229c076c0ea418712654be77e4 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 14 Feb 2017 20:15:55 +0100 Subject: [PATCH] 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 Reviewed-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) 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)) -- 2.20.1