misc: Make clang --analyze happy with the source code
The compiler concludes that if (ts->type == type && ts->line && line
can be false as line is NULL and then we unconditionally access
it, make it happy by adding an extra NULL check.
diff --git a/openbsc/src/e1_input.c b/openbsc/src/e1_input.c
index 8dce132..a17ae41 100644
--- a/openbsc/src/e1_input.c
+++ b/openbsc/src/e1_input.c
@@ -302,7 +302,7 @@
switch (type) {
case E1INP_TS_TYPE_SIGN:
- if (line->driver)
+ if (line && line->driver)
ts->sign.delay = line->driver->default_delay;
else
ts->sign.delay = 100000;