---

yaml
---
r: 100278
b: refs/heads/master
c: 2edbf85
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 702e57d9ef7002f8d362faa6ddebc59e6d43fa05
+refs/heads/master: 2edbf8537edc62c9b0ef75e7025d01e8b6a48707

trunk/drivers/input/input.c

@@ -21,6 +21,7 @@
 #include <linux/device.h>
 #include <linux/mutex.h>
 #include <linux/rcupdate.h>
+#include <linux/smp_lock.h>
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
 MODULE_DESCRIPTION("Input core");
@@ -1588,21 +1589,26 @@ EXPORT_SYMBOL(input_unregister_handle);
 
 static int input_open_file(struct inode *inode, struct file *file)
 {
-	struct input_handler *handler = input_table[iminor(inode) >> 5];
+	struct input_handler *handler;
 	const struct file_operations *old_fops, *new_fops = NULL;
 	int err;
 
+	lock_kernel();
 	/* No load-on-demand here? */
-	if (!handler || !(new_fops = fops_get(handler->fops)))
-		return -ENODEV;
+	handler = input_table[iminor(inode) >> 5];
+	if (!handler || !(new_fops = fops_get(handler->fops))) {
+		err = -ENODEV;
+		goto out;
+	}
 
 	/*
 	 * That's _really_ odd. Usually NULL ->open means "nothing special",
 	 * not "no device". Oh, well...
 	 */
 	if (!new_fops->open) {
 		fops_put(new_fops);
-		return -ENODEV;
+		err = -ENODEV;
+		goto out;
 	}
 	old_fops = file->f_op;
 	file->f_op = new_fops;
@@ -1614,6 +1620,8 @@ static int input_open_file(struct inode *inode, struct file *file)
 		file->f_op = fops_get(old_fops);
 	}
 	fops_put(old_fops);
+out:
+	unlock_kernel();
 	return err;
 }