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Christian Gromm authored
The functions usb_disconnect and usb_sndbulkpipe are racing for the struct usb_device, which might cause a null pointer dereference exception. This patch fixes this race condition by protecting the critical section inside the function hdm_enque with the io_mutex. Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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