From: Stefan Haberland <stefan.haberland@de.ibm.com>
Date: Thu, 17 Jul 2008 15:16:41 +0000 (+0200)
Subject: [S390] dasd: fix unsolicited SIM handling.
X-Git-Tag: v2.6.27-rc1~1043^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9d853caf44e6f969a9ad056a9937e8d97bc2c761;p=platform%2Fkernel%2Flinux-stable.git

[S390] dasd: fix unsolicited SIM handling.

Add missing schedule_bh and check that there is 32 bit sense data.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index e0b7721..3590fdb 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1418,8 +1418,10 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device,
 
 
 	/* service information message SIM */
-	if ((irb->ecw[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE) {
+	if (irb->esw.esw0.erw.cons && (irb->ecw[27] & DASD_SENSE_BIT_0) &&
+	    ((irb->ecw[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE)) {
 		dasd_3990_erp_handle_sim(device, irb->ecw);
+		dasd_schedule_device_bh(device);
 		return;
 	}