Re: hid-thingm: kernel panic on remove

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On Wed, 3 Sep 2014, Dylan Alex Simon wrote:

> I think that did the trick.  I've run through the whole cycle about 20 times
> in various conditions, and it seems solid so far.  Thanks!

Thanks. I actually think that the minimal necessary fix is below. Could 
you please do a (hopefully last) round of testing with just this patch 
applied?

diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c
index 134be89..c1d21fa 100644
--- a/drivers/hid/hid-thingm.c
+++ b/drivers/hid/hid-thingm.c
@@ -208,10 +208,10 @@ unregister_red:
 
 static void thingm_remove_rgb(struct thingm_rgb *rgb)
 {
-	flush_work(&rgb->work);
 	led_classdev_unregister(&rgb->red.ldev);
 	led_classdev_unregister(&rgb->green.ldev);
 	led_classdev_unregister(&rgb->blue.ldev);
+	flush_work(&rgb->work);
 }
 
 static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id)

-- 
Jiri Kosina
SUSE Labs
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