From: Stelian Pop <stelian@popies.net>
Date: Wed, 22 Jun 2005 15:53:28 +0000 (+0200)
Subject: [PATCH] USB: fix hid core to return proper error code from probe
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=479f6ea85e513551510ad52f37e69e1c596ad356;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[PATCH] USB: fix hid core to return proper error code from probe

Drivers need to return -ENODEV when they can't bind to a device.
Anything else stops the "bind a device to a driver" search.

From: Stelian Pop <stelian@popies.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 2d8bd9dcc6e..740dec1f521 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -1762,7 +1762,7 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
 			intf->altsetting->desc.bInterfaceNumber);
 
 	if (!(hid = usb_hid_configure(intf)))
-		return -EIO;
+		return -ENODEV;
 
 	hid_init_reports(hid);
 	hid_dump_device(hid);
@@ -1777,7 +1777,7 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	if (!hid->claimed) {
 		printk ("HID device not claimed by input or hiddev\n");
 		hid_disconnect(intf);
-		return -EIO;
+		return -ENODEV;
 	}
 
 	printk(KERN_INFO);