diff options
author | Stefan Haberland <sth@linux.ibm.com> | 2018-07-25 14:00:47 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-15 09:40:39 +0200 |
commit | 4057a20078fe3259f6e898ce41968928966f0116 (patch) | |
tree | 376614c1e197d5d663147cd69f249c7f5d9f79a1 /drivers/s390 | |
parent | f675ab001e78e6bff87bfd0018175119c3a5796b (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>
Diffstat (limited to 'drivers/s390')
-rw-r--r-- | drivers/s390/block/dasd_eckd.c | 7 |
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; }; |