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/openbmc/linux/drivers/usb/serial/ |
H A D | ftdi_sio.c | e3e574ad Thu Jan 12 07:56:12 CST 2017 Johan Hovold <johan@kernel.org> USB: serial: ftdi_sio: fix latency-timer error handling
Make sure to detect short responses when reading the latency timer to avoid using stale buffer data.
Note that no heap data would currently leak through sysfs as ASYNC_LOW_LATENCY is set by default.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org> e3e574ad Thu Jan 12 07:56:12 CST 2017 Johan Hovold <johan@kernel.org> USB: serial: ftdi_sio: fix latency-timer error handling Make sure to detect short responses when reading the latency timer to avoid using stale buffer data. Note that no heap data would currently leak through sysfs as ASYNC_LOW_LATENCY is set by default. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org>
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