picnoir
/
Systemd
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[PATCH] minor cleanups.

This commit is contained in:
greg@kroah.com 2003-08-04 22:13:35 -07:00 committed by Greg KH
parent 1331c889c3
commit 63dde9f8eb
1 changed files with 18 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
udev-add.c
View File

@ -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;