patch-2.4.0-test4 linux/drivers/usb/mousedev.c

• Lines: 28
• Date: Wed Jul 12 21:58:43 2000
• Orig file: v2.4.0-test3/linux/drivers/usb/mousedev.c
• Orig date: Fri Jun 23 21:55:10 2000

diff -u --recursive --new-file v2.4.0-test3/linux/drivers/usb/mousedev.c linux/drivers/usb/mousedev.c
@@ -38,6 +38,7 @@
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/config.h>
+#include <linux/smp_lock.h>
 
 #ifndef CONFIG_INPUT_MOUSEDEV_SCREEN_X
 #define CONFIG_INPUT_MOUSEDEV_SCREEN_X	1024
@@ -159,8 +160,10 @@
 static int mousedev_release(struct inode * inode, struct file * file)
 {
 	struct mousedev_list *list = file->private_data;
-	struct mousedev_list **listptr = &list->mousedev->list;
+	struct mousedev_list **listptr;
 
+	lock_kernel();
+	listptr = &list->mousedev->list;
 	mousedev_fasync(-1, file, 0);
 
 	while (*listptr && (*listptr != list))
@@ -197,6 +200,7 @@
 	}
 	
 	kfree(list);
+	unlock_kernel();
 
 	return 0;
 }