[S390] return 'count' for successful execution of dasd_eer_enable.

Currently the return value of 'dasd_eer_enable' is returned - even if the
function returned '0'. Now return 'count' for successful execution.

Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index b5e70c523921a42ff7aa93b310422d392cf09122..17fdd8c9f740107dea18645fcf3133bbfd2ce29d 100644 (file)
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -877,12 +877,13 @@ dasd_eer_store(struct device *dev, struct device_attribute *attr,
        if (((endp + 1) < (buf + count)) || (val > 1))
                return -EINVAL;
 
-       rc = count;
-       if (val)
+       if (val) {
                rc = dasd_eer_enable(devmap->device);
-       else
+               if (rc)
+                       return rc;
+       } else
                dasd_eer_disable(devmap->device);
-       return rc;
+       return count;
 }
 
 static DEVICE_ATTR(eer_enabled, 0644, dasd_eer_show, dasd_eer_store);