From: Kay Sievers <kay.sievers@vrfy.org>
Date: Thu, 18 Sep 2008 06:58:38 +0000 (-0700)
Subject: libudev: fix "subsystem" value
X-Git-Tag: 174~1539
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=279595bd1af86db92b063ac8b70c7ef51c67363c;p=systemd

libudev: fix "subsystem" value
---

diff --git a/TODO b/TODO
index bbb585b0..32534186 100644
--- a/TODO
+++ b/TODO
@@ -12,3 +12,4 @@ These things will change in future udev versions:
 
 before next release:
   o replace list.h with gpl or later version
+  o increase ressize buffer
diff --git a/udev/lib/libudev-device.c b/udev/lib/libudev-device.c
index 782d6625..76ef298a 100644
--- a/udev/lib/libudev-device.c
+++ b/udev/lib/libudev-device.c
@@ -397,7 +397,7 @@ const char *udev_device_get_subsystem(struct udev_device *udev_device)
 		return udev_device->subsystem;
 
 	/* read "subsytem" link */
-	if (util_get_sys_subsystem(udev_device->udev, udev_device->syspath, subsystem, sizeof(subsystem)) == 0) {
+	if (util_get_sys_subsystem(udev_device->udev, udev_device->syspath, subsystem, sizeof(subsystem)) > 0) {
 		udev_device->subsystem = strdup(subsystem);
 		return udev_device->subsystem;
 	}
diff --git a/udev/lib/libudev-util.c b/udev/lib/libudev-util.c
index 7053a2f8..6ec835e6 100644
--- a/udev/lib/libudev-util.c
+++ b/udev/lib/libudev-util.c
@@ -50,6 +50,7 @@ static ssize_t get_sys_link(struct udev *udev, const char *slink, const char *sy
 	if (pos == NULL)
 		return -1;
 	pos = &pos[1];
+	info(udev, "resolved link to: '%s'\n", pos);
 	return util_strlcpy(subsystem, pos, size);
 }