forked from luck/tmp_suning_uos_patched
c353c3fb07
On recent systems, calls to /sbin/modprobe are handled by udev depending on the kind of device the kernel has discovered. This patch creates an uevent for the kernels internal request_module(), to let udev take control over the request, instead of forking the binary directly by the kernel. The direct execution of /sbin/modprobe can be disabled by setting: /sys/module/kmod/mod_request_helper (/proc/sys/kernel/modprobe) to an empty string, the same way /proc/sys/kernel/hotplug is disabled on an udev system. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
#ifndef __LINUX_KMOD_H__
|
|
#define __LINUX_KMOD_H__
|
|
|
|
/*
|
|
* include/linux/kmod.h
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <linux/stddef.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#define KMOD_PATH_LEN 256
|
|
|
|
#ifdef CONFIG_KMOD
|
|
/* modprobe exit status on success, -ve on error. Return value
|
|
* usually useless though. */
|
|
extern void kmod_sysfs_init(void);
|
|
extern int request_module(const char * name, ...) __attribute__ ((format (printf, 1, 2)));
|
|
#else
|
|
static inline void kmod_sysfs_init(void) {};
|
|
static inline int request_module(const char * name, ...) { return -ENOSYS; }
|
|
#endif
|
|
|
|
#define try_then_request_module(x, mod...) ((x) ?: (request_module(mod), (x)))
|
|
|
|
struct key;
|
|
extern int call_usermodehelper_keys(char *path, char *argv[], char *envp[],
|
|
struct key *session_keyring, int wait);
|
|
|
|
static inline int
|
|
call_usermodehelper(char *path, char **argv, char **envp, int wait)
|
|
{
|
|
return call_usermodehelper_keys(path, argv, envp, NULL, wait);
|
|
}
|
|
|
|
extern void usermodehelper_init(void);
|
|
|
|
struct file;
|
|
extern int call_usermodehelper_pipe(char *path, char *argv[], char *envp[],
|
|
struct file **filp);
|
|
|
|
#endif /* __LINUX_KMOD_H__ */
|