X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev_sysfs.c;h=f0666509eaca5b87614d4124eb5a5e0d014ff4c5;hp=d46f1f26d85bf94fc55eab0a425ba2f164aac15d;hb=7e720bd4ad8257d81d273d98294ebbcc03ade9ba;hpb=4be25ce1d0e1cef62120a5605f8472761a26689e

diff --git a/udev_sysfs.c b/udev_sysfs.c
index d46f1f26d..f0666509e 100644
--- a/udev_sysfs.c
+++ b/udev_sysfs.c
@@ -59,6 +59,23 @@ static const struct subsystem_file {
 	{ NULL, NULL }
 };
 
+dev_t get_devt(struct sysfs_class_device *class_dev)
+{
+	struct sysfs_attribute *attr = NULL;
+	unsigned int major, minor;
+
+	attr = sysfs_get_classdev_attr(class_dev, "dev");
+	if (attr == NULL)
+		return 0;
+	dbg("dev='%s'", attr->value);
+
+	if (sscanf(attr->value, "%u:%u", &major, &minor) != 2)
+		return 0;
+	dbg("found major=%d, minor=%d", major, minor);
+
+	return makedev(major, minor);
+}
+
 int subsystem_expect_no_dev(const char *subsystem)
 {
 	const struct subsystem_file *file;
@@ -211,7 +228,7 @@ static int class_device_expect_no_device_link(struct sysfs_class_device *class_d
 		{ NULL, NULL }
 	};
 	const struct class_device *classdevice;
-	int len;
+	unsigned int len;
 
 	/* the kernel may tell us what to wait for */
 	if (kernel_release_satisfactory(2,6,10) > 0)
@@ -381,7 +398,7 @@ int wait_for_devices_device(struct sysfs_device *devices_dev,
 
 struct sysfs_class_device *wait_class_device_open(const char *path)
 {
-	struct sysfs_class_device *class_dev;
+	struct sysfs_class_device *class_dev = NULL;
 	int loop;
 
 	loop = WAIT_MAX_SECONDS * WAIT_LOOP_PER_SECOND;
@@ -393,7 +410,7 @@ struct sysfs_class_device *wait_class_device_open(const char *path)
 		usleep(1000 * 1000 / WAIT_LOOP_PER_SECOND);
 	}
 
-	return (class_dev);
+	return class_dev;
 }
 
 int wait_for_class_device(struct sysfs_class_device *class_dev,
@@ -450,7 +467,7 @@ int wait_for_class_device(struct sysfs_class_device *class_dev,
 
 struct sysfs_device *wait_devices_device_open(const char *path)
 {
-	struct sysfs_device *devices_dev;
+	struct sysfs_device *devices_dev = NULL;
 	int loop;
 
 	loop = WAIT_MAX_SECONDS * WAIT_LOOP_PER_SECOND;
@@ -462,5 +479,5 @@ struct sysfs_device *wait_devices_device_open(const char *path)
 		usleep(1000 * 1000 / WAIT_LOOP_PER_SECOND);
 	}
 
-	return(devices_dev);
+	return devices_dev;
 }