diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c
index cafa633aae10805f176d5654f597839bc3b66520..c25515a80d33230e76265f14c0dfded7eff779bb 100644
--- a/drivers/crypto/ccp/ccp-dev.c
+++ b/drivers/crypto/ccp/ccp-dev.c
@@ -41,7 +41,7 @@ struct ccp_tasklet_data {
 };
 
 /* Human-readable error strings */
-char *ccp_error_codes[] = {
+static char *ccp_error_codes[] = {
 	"",
 	"ERR 01: ILLEGAL_ENGINE",
 	"ERR 02: ILLEGAL_KEY_ID",