[SCSI] sd: fix return value of sd_sync_cache()

sd_sync_cache() should return -errno on error, fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 12e18bb5456a250eaec6e684feccdd8bbfaf37a6..3dda77c31f504e50519232bbae9e7345381a3e28 100644 (file)
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -766,7 +766,9 @@ static int sd_sync_cache(struct scsi_disk *sdkp)
                        sd_print_sense_hdr(sdkp, &sshdr);
        }
 
-       return res;
+       if (res)
+               return -EIO;
+       return 0;
 }
 
 static int sd_issue_flush(struct device *dev, sector_t *error_sector)