res_speech_aeap: check for null format on response

* Fixed issue in res_speech_aeap when unable to provide an
  input format to check against.

(cherry picked from commit 3759d034ccd69508cd311881a0b9b77cee7d2f3d)

diff --git a/res/res_speech_aeap.c b/res/res_speech_aeap.c
index 1aa8041d53a189bb28e2c54426f8f14538cfa306..9da68bce39af657bb2f576a96acc6e4f348849b2 100644 (file)
--- a/res/res_speech_aeap.c
+++ b/res/res_speech_aeap.c
@@ -279,6 +279,11 @@ static int handle_response_setup(struct ast_aeap *aeap, struct ast_aeap_message
        struct ast_json *json = ast_aeap_message_data(message);
        const char *codec_name;
 
+       if (!format) {
+               log_error(aeap, "no 'format' set");
+               return -1;
+       }
+
        if (!json) {
                log_error(aeap, "no 'setup' object returned");
                return -1;