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

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

[Martin Schwidefsky]

From: Horst Hummel <horst.hummel@de.ibm.com>

[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>
---

 drivers/s390/block/dasd_devmap.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff -urpN linux-2.6/drivers/s390/block/dasd_devmap.c linux-2.6-patched/drivers/s390/block/dasd_devmap.c
--- linux-2.6/drivers/s390/block/dasd_devmap.c	2006-12-04 14:50:30.000000000 +0100
+++ linux-2.6-patched/drivers/s390/block/dasd_devmap.c	2006-12-04 14:50:44.000000000 +0100
@@ -877,12 +877,13 @@ dasd_eer_store(struct device *dev, struc
 	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);