Hello! On 09/21/2017 11:12 PM, Alan Stern wrote:
The gadgetfs driver as a long-outstanding FIXME, regarding a call of
s/as/has/?
copy_to_user() made while holding a spinlock. This patch fixes the issue by dropping the spinlock and using the dev->udc_usage mechanism introduced by another recent patch to guard against status changes while the lock isn't held. Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Reported-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> CC: <stable@xxxxxxxxxxxxxxx>
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