patch-2.4.0-test4 linux/drivers/sbus/char/bpp.c

• Lines: 22
• Date: Wed Jul 12 21:58:43 2000
• Orig file: v2.4.0-test3/linux/drivers/sbus/char/bpp.c
• Orig date: Mon Jul 10 16:47:24 2000

diff -u --recursive --new-file v2.4.0-test3/linux/drivers/sbus/char/bpp.c linux/drivers/sbus/char/bpp.c
@@ -16,6 +16,7 @@
 #include <linux/fs.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <linux/timer.h>
 #include <linux/ioport.h>
 #include <linux/major.h>
@@ -456,10 +457,13 @@
 static int bpp_release(struct inode *inode, struct file *f)
 {
       unsigned minor = MINOR(inode->i_rdev);
+
+      lock_kernel();
       instances[minor].opened = 0;
 
       if (instances[minor].mode != COMPATIBILITY)
       terminate(minor);
+      unlock_kernel();
       return 0;
 }