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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/io_ti.c | |
| parent | a98b69002a1656f1d50e24d6c189a66a5f55f783 (diff) | |
| download | linux-stable-2fbd69c4e33360383907cf0abb245440e62a6f37.tar.gz linux-stable-2fbd69c4e33360383907cf0abb245440e62a6f37.tar.bz2 linux-stable-2fbd69c4e33360383907cf0abb245440e62a6f37.zip | |
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/io_ti.c')
| -rw-r--r-- | drivers/usb/serial/io_ti.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index fce82fd79f77..c339163698eb 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -2459,9 +2459,6 @@ static int get_serial_info(struct edgeport_port *edge_port, struct serial_struct tmp; unsigned cwait; - if (!retinfo) - return -EFAULT; - cwait = edge_port->port->port.closing_wait; if (cwait != ASYNC_CLOSING_WAIT_NONE) cwait = jiffies_to_msecs(cwait) / 10; |