abis: skip e1_input nesting if empty
With this patch, we don't include e1_input if it's empty
[...]
timeslot 7
phys_chan_config TCH/F
hopping enabled 0
e1_input <----------------- empty, it should not show up.
msc
[...]
diff --git a/openbsc/src/libabis/e1_input_vty.c b/openbsc/src/libabis/e1_input_vty.c
index 7dbf17a..b211e81 100644
--- a/openbsc/src/libabis/e1_input_vty.c
+++ b/openbsc/src/libabis/e1_input_vty.c
@@ -76,6 +76,9 @@
{
struct e1inp_line *line;
+ if (llist_empty(&e1inp_line_list))
+ return CMD_SUCCESS;
+
vty_out(vty, "e1_input%s", VTY_NEWLINE);
llist_for_each_entry(line, &e1inp_line_list, list) {