PASN: Mark pubkey/comeback arguments constant for frame construction

These parameters are only copied to the frame, so mark them as constant.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/common/wpa_common.c

@@ -3428,8 +3428,8 @@ int wpa_pasn_add_rsne(struct wpabuf *buf, const u8 *pmkid, int akmp, int cipher)
  */
 void wpa_pasn_add_parameter_ie(struct wpabuf *buf, u16 pasn_group,
 			       u8 wrapped_data_format,
-			       struct wpabuf *pubkey, bool compressed,
-			       struct wpabuf *comeback, int after)
+			       const struct wpabuf *pubkey, bool compressed,
+			       const struct wpabuf *comeback, int after)
 {
 	struct pasn_parameter_ie *params;
 

src/common/wpa_common.h

@@ -662,8 +662,8 @@ int wpa_pasn_add_rsne(struct wpabuf *buf, const u8 *pmkid,
 
 void wpa_pasn_add_parameter_ie(struct wpabuf *buf, u16 pasn_group,
 			       u8 wrapped_data_format,
-			       struct wpabuf *pubkey, bool compressed,
-			       struct wpabuf *comeback, int after);
+			       const struct wpabuf *pubkey, bool compressed,
+			       const struct wpabuf *comeback, int after);
 
 int wpa_pasn_add_wrapped_data(struct wpabuf *buf,
 			      struct wpabuf *wrapped_data_buf);

wpa_supplicant/pasn_supplicant.c

@@ -636,7 +636,7 @@ static u8 wpas_pasn_get_wrapped_data_format(struct wpas_pasn *pasn)
 
 
 static struct wpabuf * wpas_pasn_build_auth_1(struct wpa_supplicant *wpa_s,
-					      struct wpabuf *comeback)
+					      const struct wpabuf *comeback)
 {
 	struct wpas_pasn *pasn = &wpa_s->pasn;
 	struct wpabuf *buf, *pubkey = NULL, *wrapped_data_buf = NULL;