patch-2.4.0-test4 linux/drivers/char/busmouse.c

• Lines: 24
• Date: Wed Jul 12 21:58:42 2000
• Orig file: v2.4.0-test3/linux/drivers/char/busmouse.c
• Orig date: Fri Jun 23 21:55:08 2000

diff -u --recursive --new-file v2.4.0-test3/linux/drivers/char/busmouse.c linux/drivers/char/busmouse.c
@@ -19,6 +19,7 @@
 #include <linux/miscdevice.h>
 #include <linux/random.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -167,6 +168,7 @@
 	struct busmouse_data *mse = (struct busmouse_data *)file->private_data;
 	int ret = 0;
 
+	lock_kernel();
 	busmouse_fasync(-1, file, 0);
 
 	if (--mse->active == 0) {
@@ -178,6 +180,7 @@
 		}
 		mse->ready = 0;
 	}
+	unlock_kernel();
 
 	return ret;
 }