Hello Mauro, On 12/15/2015 07:43 AM, Mauro Carvalho Chehab wrote: > If media_device_unregister() is called by two different > drivers, a race condition may happen, as the check if the > device is not registered is not protected. > > Move the spin_lock() to happen earlier in the function, in order > to prevent such race condition. > > Reported-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx> > --- The patch looks good and I also tested it on an OMAP3 IGEPv2 board: Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> Tested-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html