1 files changed, 1 insertions, 2 deletions

diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index b49c00ce65e9..aa819dac2360 100644
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -6,11 +6,11 @@
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/smp_lock.h>
 #include <linux/miscdevice.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <asm/debug.h>
 #include <asm/uaccess.h>
 
@@ -49,7 +49,6 @@ static unsigned char parm_block[32] = {
 
 static int prng_open(struct inode *inode, struct file *file)
 {
-        cycle_kernel_lock();
         return nonseekable_open(inode, file);
 }