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| /openbmc/linux/drivers/usb/serial/ |
| H A D | ftdi_sio.c | diff d0559a2f294c9b50d7795a8362931f0db8953de1 Wed Mar 08 10:03:00 CST 2017 Ian Abbott <abbotti@mev.co.uk> USB: serial: ftdi_sio: only allow valid event_char values
The "event_char" device attribute value, when written, is interpreted as
an enable bit in bit 8, and an "event character" in bits 7 to 0.
Return an error -EINVAL for out-of-range values. Use kstrtouint() to
parse the integer instead of the obsolete simple_strtoul().
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Johan Hovold <johan@kernel.org>
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