From: Ralph Wuerthner <rwuerthn@de.ibm.com>
Date: Fri, 12 Oct 2007 14:11:29 +0000 (+0200)
Subject: [S390] zcrypt: fix ap_reset_domain()
X-Git-Tag: v2.6.24-rc1~1430
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=39aa7cf612cc4e7f688c18f04c35afb51c57472e;p=linux-2.6

[S390] zcrypt: fix ap_reset_domain()

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>
---

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 90bd220145..d334b0f7a1 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/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)