Re: [patch 01/21] V4L: cx88: Fix lockup on suspend

[Michael Krufky <mkrufky@linuxtv.org>]

Chuck Ebbert wrote:
> Greg KH wrote:
>> -stable review patch.  If anyone has any objections, please let us know.
>>
>> ------------------
>> Suspending with the cx88xx module loaded causes the system to lock up
>> because the cx88_audio_thread kthread was missing a try_to_freeze()
>> call, which caused it to go into a tight loop and result in softlockup
>> when suspending. Fix that.
>>
>> (cherry picked from commit a96afb3e9428f2e7463344f12dbc85faf08e2e09)
>>
>> Signed-off-by: Robert Hancock <hancockr@shaw.ca>
>> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
>> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
>> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
>>
>> ---
>>  drivers/media/video/cx88/cx88-tvaudio.c |    2 ++
>>  1 file changed, 2 insertions(+)
>>
>> --- linux-2.6.19.4.orig/drivers/media/video/cx88/cx88-tvaudio.c
>> +++ linux-2.6.19.4/drivers/media/video/cx88/cx88-tvaudio.c
>> @@ -38,6 +38,7 @@
>>  #include <linux/module.h>
>>  #include <linux/moduleparam.h>
>>  #include <linux/errno.h>
>> +#include <linux/freezer.h>
>>  #include <linux/kernel.h>
>>  #include <linux/slab.h>
>>  #include <linux/mm.h>
>> @@ -974,6 +975,7 @@ int cx88_audio_thread(void *data)
>>  		msleep_interruptible(1000);
>>  		if (kthread_should_stop())
>>  			break;
>> +		try_to_freeze();
>>  
>>  		/* just monitor the audio status for now ... */
>>  		memset(&t, 0, sizeof(t));
>>
> 
> drivers/media/video/cx88/cx88-tvaudio.c:41:27: error: linux/freezer.h: No such file or directory
> make[4]: *** [drivers/media/video/cx88/cx88-tvaudio.o] Error 1
> make[3]: *** [drivers/media/video/cx88] Error 2
> make[3]: *** Waiting for unfinished jobs....
> 

Yikes...  This one shouldn't have been sent to 2.6.18.y nor 2.6.19.y ... tree-mixup :-/

Please drop this one.  Thanks, Chuck.

Sorry about that...

-Mike Krufky