1 files changed, 4 insertions, 1 deletions

diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
index 7863fd4efc2b..fe1fde893887 100644
--- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
@@ -22,6 +22,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
+#include <linux/smp_lock.h>
 
 #include <asm/etraxgpio.h>
 #include <hwregs/reg_map.h>
@@ -426,9 +427,10 @@ gpio_open(struct inode *inode, struct file *filp)
                 return -EINVAL;
 
         priv = kmalloc(sizeof(struct gpio_private), GFP_KERNEL);
-
         if (!priv)
                 return -ENOMEM;
+
+        lock_kernel();
         memset(priv, 0, sizeof(*priv));
 
         priv->minor = p;
@@ -449,6 +451,7 @@ gpio_open(struct inode *inode, struct file *filp)
         alarmlist = priv;
         spin_unlock_irq(&alarm_lock);
 
+        unlock_kernel();
         return 0;
 }