diff --git a/security/security.c b/security/security.c
index 8e64a29..59838a9 100644
--- a/security/security.c
+++ b/security/security.c
@@ -886,7 +886,7 @@
 }
 EXPORT_SYMBOL(security_secid_to_secctx);
 
-int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 {
 	return security_ops->secctx_to_secid(secdata, seclen, secid);
 }