CID:1214211 Resource leak

src/mod/applications/mod_sms/mod_sms.c

@@ -501,8 +501,12 @@ SWITCH_STANDARD_CHAT_APP(set_function)
 {
 	char *var, *val;
 
-	if (data) {
+	if (!data) return SWITCH_STATUS_SUCCESS;
+
 	var = strdup(data);
+
+	if (!var) return SWITCH_STATUS_SUCCESS;
+
 	if ((val = strchr(var, '='))) {
 		*val++ = '\0';
 	}
@@ -512,7 +516,8 @@ SWITCH_STANDARD_CHAT_APP(set_function)
 	} else {
 		switch_event_add_header_string(message, SWITCH_STACK_BOTTOM, var, val);
 	}
-	}
+
+	free(var);
 
 	return SWITCH_STATUS_SUCCESS;
 }