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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-10-21 13:09:18 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-10-21 13:09:18 +0200
commita2ab5fc41533c952706ebdfaa378bb746e535cc1 (patch)
tree9fb86bb4e9ecb67f7e651d284c2f12c6c5d4378f /drivers/uwb/uwbd.c
parenta380f2edef65b2447a043251bb3c00a9d2153a8b (diff)
parent0e708fc602531b8355b5de6ea7c98f09129b223f (diff)
Merge branch 'pm-sleep' into pm-core
Diffstat (limited to 'drivers/uwb/uwbd.c')
-rw-r--r--drivers/uwb/uwbd.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/uwb/uwbd.c b/drivers/uwb/uwbd.c
index 01c20a260a8b..39dd4ef53c77 100644
--- a/drivers/uwb/uwbd.c
+++ b/drivers/uwb/uwbd.c
@@ -302,18 +302,22 @@ static int uwbd(void *param)
/** Start the UWB daemon */
void uwbd_start(struct uwb_rc *rc)
{
- rc->uwbd.task = kthread_run(uwbd, rc, "uwbd");
- if (rc->uwbd.task == NULL)
+ struct task_struct *task = kthread_run(uwbd, rc, "uwbd");
+ if (IS_ERR(task)) {
+ rc->uwbd.task = NULL;
printk(KERN_ERR "UWB: Cannot start management daemon; "
"UWB won't work\n");
- else
+ } else {
+ rc->uwbd.task = task;
rc->uwbd.pid = rc->uwbd.task->pid;
+ }
}
/* Stop the UWB daemon and free any unprocessed events */
void uwbd_stop(struct uwb_rc *rc)
{
- kthread_stop(rc->uwbd.task);
+ if (rc->uwbd.task)
+ kthread_stop(rc->uwbd.task);
uwbd_flush(rc);
}