diff options
| author | Oliver Neukum <oneukum@suse.com> | 2019-08-06 09:05:55 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-25 10:51:44 +0200 |
| commit | b8cab0b87c0195620f825f567f40ffe135f58af8 (patch) | |
| tree | 174a12285a056dc52e87909adb43a1507a4cdf7b /drivers/input | |
| parent | 9ab5ae53eeb5beb61f66dd7c6eb9da653def97d2 (diff) | |
Input: iforce - add sanity checks
commit 849f5ae3a513c550cad741c68dd3d7eb2bcc2a2c upstream.
The endpoint type should also be checked before a device
is accepted.
Reported-by: syzbot+5efc10c005014d061a74@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-usb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index db64adfbe1af..3e1ea912b41d 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -145,7 +145,12 @@ static int iforce_usb_probe(struct usb_interface *intf, return -ENODEV; epirq = &interface->endpoint[0].desc; + if (!usb_endpoint_is_int_in(epirq)) + return -ENODEV; + epout = &interface->endpoint[1].desc; + if (!usb_endpoint_is_int_out(epout)) + return -ENODEV; if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL))) goto fail; |