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-rw-r--r--udev-add.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/udev-add.c b/udev-add.c
index 10df31458d..586815e2c7 100644
--- a/udev-add.c
+++ b/udev-add.c
@@ -34,8 +34,6 @@
#include "libsysfs/libsysfs.h"
-static char sysfs_path[SYSFS_PATH_MAX];
-
/*
* Right now the major/minor of a device is stored in a file called
* "dev" in sysfs.
@@ -103,8 +101,18 @@ static int create_node(char *name, char type, int major, int minor, int mode)
struct sysfs_class_device *get_class_dev(char *device_name)
{
+ char sysfs_path[SYSFS_PATH_MAX];
char dev_path[SYSFS_PATH_MAX];
- struct sysfs_class_device *class_dev;
+ int retval;
+ struct sysfs_class_device *class_dev = NULL;
+
+
+ retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX);
+ dbg("sysfs_path = %s", sysfs_path);
+ if (retval) {
+ dbg("sysfs_get_mnt_path failed");
+ goto exit;
+ }
strcpy(dev_path, sysfs_path);
strcat(dev_path, device_name);
@@ -115,46 +123,34 @@ struct sysfs_class_device *get_class_dev(char *device_name)
class_dev = sysfs_open_class_device(dev_path);
if (class_dev == NULL) {
dbg ("sysfs_open_class_device failed");
- return NULL;
+ goto exit;
}
dbg("class_dev->name = %s", class_dev->name);
+exit:
return class_dev;
}
-static int udev_init(void)
-{
- int retval;
-
- retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX);
- dbg("sysfs_path = %s", sysfs_path);
- return retval;
-}
-
int udev_add_device(char *device, char *subsystem)
{
struct sysfs_class_device *class_dev;
struct device_attr attr;
- //char *name;
int major;
int minor;
char type;
- //int mode;
int retval = -EINVAL;
- /* sleep for a second or two to give the kernel a chance to
- * create the dev file
- */
- sleep(1);
-
- udev_init();
-
/* for now, the block layer is the only place where block devices are */
if (strcmp(subsystem, "block") == 0)
type = 'b';
else
type = 'c';
+ /* sleep for a second or two to give the kernel a chance to
+ * create the dev file
+ */
+ sleep(1);
+
class_dev = get_class_dev(device);
if (class_dev == NULL)
goto exit;