patch-2.4.0-test4 linux/drivers/macintosh/adb.c

• Lines: 24
• Date: Wed Jul 12 21:58:42 2000
• Orig file: v2.4.0-test3/linux/drivers/macintosh/adb.c
• Orig date: Fri Jun 23 21:55:09 2000

diff -u --recursive --new-file v2.4.0-test3/linux/drivers/macintosh/adb.c linux/drivers/macintosh/adb.c
@@ -25,6 +25,7 @@
 #include <linux/devfs_fs_kernel.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <linux/adb.h>
 #include <linux/cuda.h>
 #include <linux/pmu.h>
@@ -516,6 +517,7 @@
 	struct adbdev_state *state = file->private_data;
 	unsigned long flags;
 
+	lock_kernel();
 	if (state) {
 		file->private_data = NULL;
 		spin_lock_irqsave(&state->lock, flags);
@@ -528,6 +530,7 @@
 			spin_unlock_irqrestore(&state->lock, flags);
 		}
 	}
+	unlock_kernel();
 	return 0;
 }