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authorStefan Haberland <sth@linux.ibm.com>2018-07-25 14:00:47 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-15 09:40:39 +0200
commit4057a20078fe3259f6e898ce41968928966f0116 (patch)
tree376614c1e197d5d663147cd69f249c7f5d9f79a1
parentf675ab001e78e6bff87bfd0018175119c3a5796b (diff)
s390/dasd: fix hanging offline processing due to canceled worker
[ Upstream commit 669f3765b755fd8739ab46ce3a9c6292ce8b3d2a ] During offline processing two worker threads are canceled without freeing the device reference which leads to a hanging offline process. Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com> Signed-off-by: Stefan Haberland <sth@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/s390/block/dasd_eckd.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 21d174e9ebdb..dac2f6883e28 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2101,8 +2101,11 @@ static int dasd_eckd_basic_to_ready(struct dasd_device *device)
static int dasd_eckd_online_to_ready(struct dasd_device *device)
{
- cancel_work_sync(&device->reload_device);
- cancel_work_sync(&device->kick_validate);
+ if (cancel_work_sync(&device->reload_device))
+ dasd_put_device(device);
+ if (cancel_work_sync(&device->kick_validate))
+ dasd_put_device(device);
+
return 0;
};