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| author | Johan Hovold <johan@kernel.org> | 2016-11-08 13:26:50 +0100 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2016-11-11 17:54:04 +0100 |
| commit | 2fbd69c4e33360383907cf0abb245440e62a6f37 (patch) | |
| tree | 71778f45768c74d97deffbcaac7be37d7f083faf /drivers/usb/serial/quatech2.c | |
| parent | a98b69002a1656f1d50e24d6c189a66a5f55f783 (diff) | |
| download | op-kernel-dev-2fbd69c4e33360383907cf0abb245440e62a6f37.zip op-kernel-dev-2fbd69c4e33360383907cf0abb245440e62a6f37.tar.gz | |
USB: serial: fix invalid user-pointer checks
Drop invalid user-pointer checks from ioctl handlers.
A NULL-pointer can be valid in user space and copy_to_user() takes care
of sanity checking.
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/quatech2.c')
| -rw-r--r-- | drivers/usb/serial/quatech2.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 85acb50..659cb86 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -463,9 +463,6 @@ static int get_serial_info(struct usb_serial_port *port, { struct serial_struct tmp; - if (!retinfo) - return -EFAULT; - memset(&tmp, 0, sizeof(tmp)); tmp.line = port->minor; tmp.port = 0; |
