[PATCH 1/3] sd: SCSI error codes must not be returned to generic code

[Oliver Neukum <oliver@xxxxxxxxxx>]

sd_start_stop_device leaks SCSI specific error codes
to the generic driver code

Signed-off-by: Oliver Neukum <oneukum@xxxxxxx>
---
 drivers/scsi/sd.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 4df73e5..cef06f5 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2830,7 +2830,11 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
 			sd_print_sense_hdr(sdkp, &sshdr);
 	}
 
-	return res;
+	/* SCSI error codes must not go to the generic layer */
+	if (res)
+		return -EIO;
+
+	return 0;
 }
 
 /*
-- 
1.7.7

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