[SCSI] qla1280: set residual correctly
[pandora-kernel.git] / kernel / kmod.c
index f8121b9..3a7379a 100644 (file)
@@ -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;
 }