If sense_flags and fixed_valid are zero, the kernel does not need to
output a printk message. So, if those conditions are met, it just returns.

Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae...@hitachi.com>
Cc: Hannes Reinecke <h...@suse.de>
Cc: Doug Gilbert <dgilb...@interlog.com>
Cc: Martin K. Petersen <martin.peter...@oracle.com>
Cc: Christoph Hellwig <h...@lst.de>
Cc: "James E.J. Bottomley" <jbottom...@parallels.com>
Cc: Hidehiro Kawai <hidehiro.kawai...@hitachi.com>
Cc: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
---
 drivers/scsi/constants.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index a0e8159..9c38b8d 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -1438,6 +1438,9 @@ scsi_decode_sense_extras(struct scsi_device *sdev, const 
char *name,
                        sense_flags |= ucp[3] & 0xe0;
        }
 
+       if (!sense_flags && !fixed_valid)
+               return;
+
        res = 0;
        memset(buff, 0, sizeof(buff));
        blen = sizeof(buff) - 1;

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