64 lines
2.4 KiB
Diff
64 lines
2.4 KiB
Diff
|
From 77cf759ea05bea476cdcb8d0dcd04c4e6fb3b2ff Mon Sep 17 00:00:00 2001
|
||
|
|
From: Kay Sievers <kay@vrfy.org>
|
||
|
|
Date: Tue, 26 Aug 2014 18:27:36 +0200
|
||
|
|
Subject: [PATCH] udev: hwdb - do not look at "usb_device" parents
|
||
|
|
|
||
|
|
Based on a patch from Simon McVittie <simon.mcvittie@collabora.co.uk>.
|
||
|
|
|
||
|
|
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=758050
|
||
|
|
---
|
||
|
|
src/udev/udev-builtin-hwdb.c | 22 ++++++++++++++--------
|
||
|
|
1 file changed, 14 insertions(+), 8 deletions(-)
|
||
|
|
|
||
|
|
diff --git src/udev/udev-builtin-hwdb.c src/udev/udev-builtin-hwdb.c
|
||
|
|
index cac97e7..695a31a 100644
|
||
|
|
--- src/udev/udev-builtin-hwdb.c
|
||
|
|
+++ src/udev/udev-builtin-hwdb.c
|
||
|
|
@@ -88,9 +88,10 @@ static int udev_builtin_hwdb_search(struct udev_device *dev, struct udev_device
|
||
|
|
const char *filter, bool test) {
|
||
|
|
struct udev_device *d;
|
||
|
|
char s[16];
|
||
|
|
- int n = 0;
|
||
|
|
+ bool last = false;
|
||
|
|
+ int r = 0;
|
||
|
|
|
||
|
|
- for (d = srcdev; d; d = udev_device_get_parent(d)) {
|
||
|
|
+ for (d = srcdev; d && !last; d = udev_device_get_parent(d)) {
|
||
|
|
const char *dsubsys;
|
||
|
|
const char *modalias = NULL;
|
||
|
|
|
||
|
|
@@ -104,19 +105,24 @@ static int udev_builtin_hwdb_search(struct udev_device *dev, struct udev_device
|
||
|
|
|
||
|
|
modalias = udev_device_get_property_value(d, "MODALIAS");
|
||
|
|
|
||
|
|
- /* the usb_device does not have a modalias, compose one */
|
||
|
|
- if (!modalias && streq(dsubsys, "usb"))
|
||
|
|
- modalias = modalias_usb(d, s, sizeof(s));
|
||
|
|
+ if (streq(dsubsys, "usb") && streq_ptr(udev_device_get_devtype(d), "usb_device")) {
|
||
|
|
+ /* if the usb_device does not have a modalias, compose one */
|
||
|
|
+ if (!modalias)
|
||
|
|
+ modalias = modalias_usb(d, s, sizeof(s));
|
||
|
|
+
|
||
|
|
+ /* avoid looking at any parent device, they are usually just a USB hub */
|
||
|
|
+ last = true;
|
||
|
|
+ }
|
||
|
|
|
||
|
|
if (!modalias)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
- n = udev_builtin_hwdb_lookup(dev, prefix, modalias, filter, test);
|
||
|
|
- if (n > 0)
|
||
|
|
+ r = udev_builtin_hwdb_lookup(dev, prefix, modalias, filter, test);
|
||
|
|
+ if (r > 0)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
- return n;
|
||
|
|
+ return r;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int builtin_hwdb(struct udev_device *dev, int argc, char *argv[], bool test) {
|
||
|
|
--
|
||
|
|
1.7.9.2
|
||
|
|
|