From: Jan Glauber <jang@linux.vnet.ibm.com>
Date: Thu, 26 Mar 2009 14:24:30 +0000 (+0100)
Subject: [S390] qdio: tasklet termination in case of module unload
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=9e890ad880be1dd98483313b2ec0e23fbd4e3792;p=linux-2.6-omap-h63xx.git

[S390] qdio: tasklet termination in case of module unload

If the qdio module is unloaded the tiqdio tasklet must be terminated
by tasklet_kill. Move the tasklet_kill after the unregistration of
the adapter interrupt so the tiqdio tasklet will not be scheduled
anymore before calling tasklet_kill.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index c7c5512a892..96f0095f568 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -370,10 +370,11 @@ void qdio_shutdown_thinint(struct qdio_irq *irq_ptr)
 
 void __exit tiqdio_unregister_thinints(void)
 {
-	tasklet_disable(&tiqdio_tasklet);
+	WARN_ON(!list_empty(&tiq_list));
 
 	if (tiqdio_alsi) {
 		s390_unregister_adapter_interrupt(tiqdio_alsi, QDIO_AIRQ_ISC);
 		isc_unregister(QDIO_AIRQ_ISC);
 	}
+	tasklet_kill(&tiqdio_tasklet);
 }