X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fkmod.c;h=3a7379aa31ca6b0a92bec377a23e5c9debed72db;hb=ac98695d6c1508b724f246f38ce57fb4e3cec356;hp=f8121b95183f3c58502e1cacf6b25c1285ebecc3;hpb=f0b364a13d7fba001c0571d954f165dfaf5f434a;p=linux-2.6

diff --git a/kernel/kmod.c b/kernel/kmod.c
index f8121b9518..3a7379aa31 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -18,8 +18,6 @@
 	call_usermodehelper wait flag, and remove exec_usermodehelper.
 	Rusty Russell <rusty@rustcorp.com.au>  Jan 2003
 */
-#define __KERNEL_SYSCALLS__
-
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/syscalls.h>
@@ -27,7 +25,7 @@
 #include <linux/kmod.h>
 #include <linux/smp_lock.h>
 #include <linux/slab.h>
-#include <linux/namespace.h>
+#include <linux/mnt_namespace.h>
 #include <linux/completion.h>
 #include <linux/file.h>
 #include <linux/workqueue.h>
@@ -116,6 +114,7 @@ EXPORT_SYMBOL(request_module);
 #endif /* CONFIG_KMOD */
 
 struct subprocess_info {
+	struct work_struct work;
 	struct completion *complete;
 	char *path;
 	char **argv;
@@ -169,7 +168,8 @@ static int ____call_usermodehelper(void *data)
 
 	retval = -EPERM;
 	if (current->fs->root)
-		retval = execve(sub_info->path, sub_info->argv, sub_info->envp);
+		retval = kernel_execve(sub_info->path,
+				sub_info->argv, sub_info->envp);
 
 	/* Exec failed? */
 	sub_info->retval = retval;
@@ -222,9 +222,10 @@ static int wait_for_helper(void *data)
 }
 
 /* This is run by khelper thread  */
-static void __call_usermodehelper(void *data)
+static void __call_usermodehelper(struct work_struct *work)
 {
-	struct subprocess_info *sub_info = data;
+	struct subprocess_info *sub_info =
+		container_of(work, struct subprocess_info, work);
 	pid_t pid;
 	int wait = sub_info->wait;
 
@@ -265,6 +266,8 @@ int call_usermodehelper_keys(char *path, char **argv, char **envp,
 {
 	DECLARE_COMPLETION_ONSTACK(done);
 	struct subprocess_info sub_info = {
+		.work		= __WORK_INITIALIZER(sub_info.work,
+						     __call_usermodehelper),
 		.complete	= &done,
 		.path		= path,
 		.argv		= argv,
@@ -273,7 +276,6 @@ int call_usermodehelper_keys(char *path, char **argv, char **envp,
 		.wait		= wait,
 		.retval		= 0,
 	};
-	DECLARE_WORK(work, __call_usermodehelper, &sub_info);
 
 	if (!khelper_wq)
 		return -EBUSY;
@@ -281,7 +283,7 @@ int call_usermodehelper_keys(char *path, char **argv, char **envp,
 	if (path[0] == '\0')
 		return 0;
 
-	queue_work(khelper_wq, &work);
+	queue_work(khelper_wq, &sub_info.work);
 	wait_for_completion(&done);
 	return sub_info.retval;
 }
@@ -292,6 +294,8 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp,
 {
 	DECLARE_COMPLETION(done);
 	struct subprocess_info sub_info = {
+		.work		= __WORK_INITIALIZER(sub_info.work,
+						     __call_usermodehelper),
 		.complete	= &done,
 		.path		= path,
 		.argv		= argv,
@@ -299,7 +303,6 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp,
 		.retval		= 0,
 	};
 	struct file *f;
-	DECLARE_WORK(work, __call_usermodehelper, &sub_info);
 
 	if (!khelper_wq)
 		return -EBUSY;
@@ -308,18 +311,18 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp,
 		return 0;
 
 	f = create_write_pipe();
-	if (!f)
-		return -ENOMEM;
+	if (IS_ERR(f))
+		return PTR_ERR(f);
 	*filp = f;
 
 	f = create_read_pipe(f);
-	if (!f) {
+	if (IS_ERR(f)) {
 		free_write_pipe(*filp);
-		return -ENOMEM;
+		return PTR_ERR(f);
 	}
 	sub_info.stdin = f;
 
-	queue_work(khelper_wq, &work);
+	queue_work(khelper_wq, &sub_info.work);
 	wait_for_completion(&done);
 	return sub_info.retval;
 }