diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 4e4de98..85a2204 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -5238,7 +5238,7 @@
 	return security_sid_to_context(secid, secdata, seclen);
 }
 
-static int selinux_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+static int selinux_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 {
 	return security_context_to_sid(secdata, seclen, secid);
 }