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Antti Palosaari authored
Add lock to prevent concurrent access for control message as control message function uses shared buffer. Without the lock there may be remote control polling which messes the buffer causing IO errors. Increase buffer size and add check for maximum supported message length. Link: https://bugzilla.kernel.org/show_bug.cgi?id=103391 Fixes: c56222a6 ("[media] rtl28xxu: move usb buffers to state") Cc: <stable@vger.kernel.org> # 4.0+ Signed-off-by:
Antti Palosaari <crope@iki.fi>
d18ca5b7