1 files changed, 2 insertions, 1 deletions

diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index c17204289575..67c61ea86813 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -11,6 +11,7 @@
 #include <linux/string.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
+#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <linux/stddef.h>
 
@@ -2302,11 +2303,11 @@ static int cryptocop_job_setup(struct cryptocop_prio_job **pj, struct cryptocop_
         return 0;
 }
 
-/* No BKL needed here - no global resources accessed */
 static int cryptocop_open(struct inode *inode, struct file *filp)
 {
         int p = iminor(inode);
 
+        cycle_kernel_lock();
         if (p != CRYPTOCOP_MINOR) return -EINVAL;
 
         filp->private_data = NULL;