USB: sd: sd_start_stop_device proper error codes

From: Oliver Neukum <[email protected]>
Date: Mon, 25 Oct 2010 11:45:59 +0200
Subject: [PATCH 1/3] USB: sd: sd_start_stop_device proper error codes

sd_start_stop_device leaks SCSI specific error codes to the generic driver code

---
 drivers/scsi/sd.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

index b9ab3a5..fcba7d2 100644
@@ -2551,7 +2551,11 @@ 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;
 }
 
 /*

1.7.1