1 files changed, 3 insertions, 3 deletions

diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 15c9eec02928..3bf9ea4c993f 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -27,9 +27,9 @@
 /* data block size for all key lengths */
 #define AES_BLOCK_SIZE          16
 
-int has_aes_128 = 0;
-int has_aes_192 = 0;
-int has_aes_256 = 0;
+static int has_aes_128 = 0;
+static int has_aes_192 = 0;
+static int has_aes_256 = 0;
 
 struct s390_aes_ctx {
         u8 iv[AES_BLOCK_SIZE];