diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index fe21477..0d4d18b 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -299,9 +299,7 @@
  */
 static int zcrypt_open(struct inode *inode, struct file *filp)
 {
-	lock_kernel();
 	atomic_inc(&zcrypt_open_count);
-	unlock_kernel();
 	return 0;
 }