[S390] cio: consolidate subchannel intparm reset

Ensure that the hardware interruption parameter for a subchannel is
reset when the associated subchannel data structure is freed.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 85d43c6bcb66..40d4b3093b71 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -170,6 +170,9 @@ css_subchannel_release(struct device *dev)
 
         sch = to_subchannel(dev);
         if (!cio_is_console(sch->schid)) {
+                /* Reset intparm to zeroes. */
+                sch->config.intparm = 0;
+                cio_commit_config(sch);
                 kfree(sch->lock);
                 kfree(sch);
         }