mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-10-01 01:35:54 -04:00
40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
From 122d6a347329818419b032c5a1776e6b3866d9b9 Mon Sep 17 00:00:00 2001
|
|
From: Cameron Gutman <aicommander@gmail.com>
|
|
Date: Tue, 12 Sep 2017 11:27:44 -0700
|
|
Subject: [PATCH] Input: xpad - validate USB endpoint type during probe
|
|
|
|
We should only see devices with interrupt endpoints. Ignore any other
|
|
endpoints that we find, so we don't send try to send them interrupt URBs
|
|
and trigger a WARN down in the USB stack.
|
|
|
|
Reported-by: Andrey Konovalov <andreyknvl@google.com>
|
|
Tested-by: Andrey Konovalov <andreyknvl@google.com>
|
|
Cc: <stable@vger.kernel.org> # c01b5e7464f0 Input: xpad - don't depend on endpoint order
|
|
Signed-off-by: Cameron Gutman <aicommander@gmail.com>
|
|
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
|
|
---
|
|
drivers/input/joystick/xpad.c | 10 ++++++----
|
|
1 file changed, 6 insertions(+), 4 deletions(-)
|
|
|
|
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
|
|
index 2578a76770404..f670dcb401c05 100644
|
|
--- a/drivers/input/joystick/xpad.c
|
|
+++ b/drivers/input/joystick/xpad.c
|
|
@@ -1750,10 +1750,12 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
|
|
struct usb_endpoint_descriptor *ep =
|
|
&intf->cur_altsetting->endpoint[i].desc;
|
|
|
|
- if (usb_endpoint_dir_in(ep))
|
|
- ep_irq_in = ep;
|
|
- else
|
|
- ep_irq_out = ep;
|
|
+ if (usb_endpoint_xfer_int(ep)) {
|
|
+ if (usb_endpoint_dir_in(ep))
|
|
+ ep_irq_in = ep;
|
|
+ else
|
|
+ ep_irq_out = ep;
|
|
+ }
|
|
}
|
|
|
|
if (!ep_irq_in || !ep_irq_out) {
|