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authorJohan Hovold <johan@kernel.org>2016-11-08 15:26:50 +0300
committerJohan Hovold <johan@kernel.org>2016-11-11 19:54:04 +0300
commit2fbd69c4e33360383907cf0abb245440e62a6f37 (patch)
tree71778f45768c74d97deffbcaac7be37d7f083faf /drivers/usb/serial/mos7840.c
parenta98b69002a1656f1d50e24d6c189a66a5f55f783 (diff)
downloadlinux-2fbd69c4e33360383907cf0abb245440e62a6f37.tar.xz
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/mos7840.c')
-rw-r--r--drivers/usb/serial/mos7840.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 57426d703a09..9a220b8e810f 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1956,9 +1956,6 @@ static int mos7840_get_serial_info(struct moschip_port *mos7840_port,
if (mos7840_port == NULL)
return -1;
- if (!retinfo)
- return -EFAULT;
-
memset(&tmp, 0, sizeof(tmp));
tmp.type = PORT_16550A;