1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
index 4c431cb7cf1b..6062b62800fd 100644
--- a/drivers/char/tb0219.c
+++ b/drivers/char/tb0219.c
@@ -21,6 +21,7 @@
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/smp_lock.h>
 
 #include <asm/io.h>
 #include <asm/reboot.h>
@@ -236,6 +237,7 @@ static int tanbac_tb0219_open(struct inode *inode, struct file *file)
 {
         unsigned int minor;
 
+        cycle_kernel_lock();
         minor = iminor(inode);
         switch (minor) {
         case 0: