1 files changed, 36 insertions, 29 deletions

diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 384ca8bbf1ac..6efd7a78de6a 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -23,10 +23,12 @@
 #include <linux/stddef.h>
 #include <linux/errno.h>
 #include <linux/compiler.h>
+#include <linux/workqueue.h>
 
 #define KMOD_PATH_LEN 256
 
 #ifdef CONFIG_MODULES
+extern char modprobe_path[]; /* for sysctl */
 /* modprobe exit status on success, -ve on error.  Return value
  * usually useless though. */
 extern int __request_module(bool wait, const char *name, ...) \
@@ -44,19 +46,6 @@ static inline int request_module_nowait(const char *name, ...) { return -ENOSYS;
 
 struct key;
 struct file;
-struct subprocess_info;
-
-/* Allocate a subprocess_info structure */
-struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
-                                                  char **envp, gfp_t gfp_mask);
-
-/* Set various pieces of state into the subprocess_info structure */
-void call_usermodehelper_setkeys(struct subprocess_info *info,
-                                 struct key *session_keyring);
-int call_usermodehelper_stdinpipe(struct subprocess_info *sub_info,
-                                  struct file **filp);
-void call_usermodehelper_setcleanup(struct subprocess_info *info,
-                                    void (*cleanup)(char **argv, char **envp));
 
 enum umh_wait {
         UMH_NO_WAIT = -1,       /* don't wait at all */
@@ -64,6 +53,29 @@ enum umh_wait {
         UMH_WAIT_PROC = 1,      /* wait for the process to complete */
 };
 
+struct subprocess_info {
+        struct work_struct work;
+        struct completion *complete;
+        char *path;
+        char **argv;
+        char **envp;
+        enum umh_wait wait;
+        int retval;
+        int (*init)(struct subprocess_info *info);
+        void (*cleanup)(struct subprocess_info *info);
+        void *data;
+};
+
+/* Allocate a subprocess_info structure */
+struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
+                                                  char **envp, gfp_t gfp_mask);
+
+/* Set various pieces of state into the subprocess_info structure */
+void call_usermodehelper_setfns(struct subprocess_info *info,
+                    int (*init)(struct subprocess_info *info),
+                    void (*cleanup)(struct subprocess_info *info),
+                    void *data);
+
 /* Actually execute the sub-process */
 int call_usermodehelper_exec(struct subprocess_info *info, enum umh_wait wait);
 
@@ -72,38 +84,33 @@ int call_usermodehelper_exec(struct subprocess_info *info, enum umh_wait wait);
 void call_usermodehelper_freeinfo(struct subprocess_info *info);
 
 static inline int
-call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
+call_usermodehelper_fns(char *path, char **argv, char **envp,
+                        enum umh_wait wait,
+                        int (*init)(struct subprocess_info *info),
+                        void (*cleanup)(struct subprocess_info *), void *data)
 {
         struct subprocess_info *info;
         gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
 
         info = call_usermodehelper_setup(path, argv, envp, gfp_mask);
+
         if (info == NULL)
                 return -ENOMEM;
+
+        call_usermodehelper_setfns(info, init, cleanup, data);
+
         return call_usermodehelper_exec(info, wait);
 }
 
 static inline int
-call_usermodehelper_keys(char *path, char **argv, char **envp,
-                         struct key *session_keyring, enum umh_wait wait)
+call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
 {
-        struct subprocess_info *info;
-        gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
-
-        info = call_usermodehelper_setup(path, argv, envp, gfp_mask);
-        if (info == NULL)
-                return -ENOMEM;
-
-        call_usermodehelper_setkeys(info, session_keyring);
-        return call_usermodehelper_exec(info, wait);
+        return call_usermodehelper_fns(path, argv, envp, wait,
+                                       NULL, NULL, NULL);
 }
 
 extern void usermodehelper_init(void);
 
-struct file;
-extern int call_usermodehelper_pipe(char *path, char *argv[], char *envp[],
-                                    struct file **filp);
-
 extern int usermodehelper_disable(void);
 extern void usermodehelper_enable(void);