Driver Core: devtmpfs: use sys_mount()

Signed-off-by: NKay Sievers <kay.sievers@vrfy.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/base/devtmpfs.c

@@ -332,9 +332,8 @@ int devtmpfs_delete_node(struct device *dev)
  * If configured, or requested by the commandline, devtmpfs will be
  * auto-mounted after the kernel mounted the root filesystem.
  */
-int devtmpfs_mount(const char *mountpoint)
+int devtmpfs_mount(const char *mntdir)
 {
-	struct path path;
 	int err;
 
 	if (!dev_mount)
@@ -343,15 +342,11 @@ int devtmpfs_mount(const char *mountpoint)
 	if (!dev_mnt)
 		return 0;
 
-	err = kern_path(mountpoint, LOOKUP_FOLLOW, &path);
-	if (err)
-		return err;
-	err = do_add_mount(dev_mnt, &path, 0, NULL);
+	err = sys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT, NULL);
 	if (err)
 		printk(KERN_INFO "devtmpfs: error mounting %i\n", err);
 	else
 		printk(KERN_INFO "devtmpfs: mounted\n");
-	path_put(&path);
 	return err;
 }
 

include/linux/device.h

@@ -558,7 +558,7 @@ extern void wait_for_device_probe(void);
 #ifdef CONFIG_DEVTMPFS
 extern int devtmpfs_create_node(struct device *dev);
 extern int devtmpfs_delete_node(struct device *dev);
-extern int devtmpfs_mount(const char *mountpoint);
+extern int devtmpfs_mount(const char *mntdir);
 #else
 static inline int devtmpfs_create_node(struct device *dev) { return 0; }
 static inline int devtmpfs_delete_node(struct device *dev) { return 0; }