APPLIED[F]: [SRU][F/G][PATCH] Fix Sony Dualshock 4 crashes systems

[Kelsey Skunberg]

Applied to Focal master-next. Thank you! 

-Kelsey

On 2021-07-15 13:30:32 , Alex Hung wrote:
> BugLink: https://bugs.launchpad.net/bugs/1935846
> 
> [Impact]
> 
> Sony Dualshock 4 controller crashes systems. This is the result of a
> divide by zero when the driver processes requests from Steam and returns
> invalid data. More details are in the patch description.
> 
> [Fix]
> 
> Check whether data is valid and retry up to 3 times if needed.
> 
> [Test Case]
> 
> Tested by the bug reporter of LP:1935846. No more crashes after applying
> this patch.
> 
> [Where problems could occur]
> 
> None. The patch checks whether data is valid and retry 3 times before
> return -EILSEQ if it still fails.
> 
> Roderick Colenbrander (1):
>   HID: sony: Workaround for DS4 dongle hotplug kernel crash.
> 
>  drivers/hid/hid-sony.c | 34 ++++++++++++++++++++++++++++------
>  1 file changed, 28 insertions(+), 6 deletions(-)
> 
> -- 
> 2.7.4
> 
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team