[RFC PATCH 02/10] scsi/constants: Cleanup printk message in scsi_decode_sense_extras()

[Yoshihiro YUNOMAE]

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.ez@xxxxxxxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxx>
Cc: Doug Gilbert <dgilbert@xxxxxxxxxxxx>
Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxxxxxxx>
Cc: Hidehiro Kawai <hidehiro.kawai.ez@xxxxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
---
 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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