Re: [PATCH] Bluetooth: hidp: Fix assumptions on the return value of hidp_send_message

[Jiri Kosina]

On Fri, 6 Sep 2019, Dan Elkouby wrote:

> hidp_send_message was changed to return non-zero values on success,
> which some other bits did not expect. This caused spurious errors to be
> propagated through the stack, breaking some drivers, such as hid-sony
> for the Dualshock 4 in Bluetooth mode.
> 
> As pointed out by Dan Carpenter, hid-microsoft directly relied on that
> assumption as well.
> 
> Fixes: 48d9cc9d85dd ("Bluetooth: hidp: Let hidp_send_message return number of queued bytes")
> 
> Signed-off-by: Dan Elkouby <streetwalkermc@xxxxxxxxx>

Reviewed-by: Jiri Kosina <jkosina@xxxxxxx>

Marcel, are you taking this through your tree?

Thanks,

-- 
Jiri Kosina
SUSE Labs