atutil: Ignore invalid CLCC results

Some phones report CLCC calls with out-of-range info.  E.g. call index
being 0 (it is 1 based according to 27.007) and call states being
reported as '6' (valid call states are 0-5.)

diff --git a/drivers/atmodem/atutil.c b/drivers/atmodem/atutil.c
index b82ed20..0c6aab4 100644 (file)
--- a/drivers/atmodem/atutil.c
+++ b/drivers/atmodem/atutil.c
@@ -131,12 +131,18 @@ GSList *at_util_parse_clcc(GAtResult *result)
                if (!g_at_result_iter_next_number(&iter, &id))
                        continue;
 
+               if (id == 0)
+                       continue;
+
                if (!g_at_result_iter_next_number(&iter, &dir))
                        continue;
 
                if (!g_at_result_iter_next_number(&iter, &status))
                        continue;
 
+               if (status > 5)
+                       continue;
+
                if (!g_at_result_iter_next_number(&iter, &type))
                        continue;