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

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

diff -u --recursive --new-file v2.4.0-test3/linux/drivers/char/acquirewdt.c linux/drivers/char/acquirewdt.c
@@ -38,6 +38,7 @@
 #include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/smp_lock.h>
 
 static int acq_is_open=0;
 static spinlock_t acq_lock;
@@ -140,6 +141,7 @@
 
 static int acq_close(struct inode *inode, struct file *file)
 {
+	lock_kernel();
 	if(MINOR(inode->i_rdev)==WATCHDOG_MINOR)
 	{
 		spin_lock(&acq_lock);
@@ -149,6 +151,7 @@
 		acq_is_open=0;
 		spin_unlock(&acq_lock);
 	}
+	unlock_kernel();
 	return 0;
 }