[patch 16/34] zcrypt: fix ap_reset_domain()

[Martin Schwidefsky <schwidefsky@de.ibm.com>]

From: Ralph Wuerthner <rwuerthn@de.ibm.com>

Resetting of a all queues within a domain requires that a domain must 
be selected first.

Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

 drivers/s390/crypto/ap_bus.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: quilt-2.6/drivers/s390/crypto/ap_bus.c
===================================================================
--- quilt-2.6.orig/drivers/s390/crypto/ap_bus.c
+++ quilt-2.6/drivers/s390/crypto/ap_bus.c
@@ -1231,8 +1231,9 @@ static void ap_reset_domain(void)
 {
 	int i;
 
-	for (i = 0; i < AP_DEVICES; i++)
-		ap_reset_queue(AP_MKQID(i, ap_domain_index));
+	if (ap_domain_index != -1)
+		for (i = 0; i < AP_DEVICES; i++)
+			ap_reset_queue(AP_MKQID(i, ap_domain_index));
 }
 
 static void ap_reset_all(void)

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.

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