BugLink: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=719523
Do not let the waterfall init code dereference global 'active_modem' before
it's been set. Note though, there are plenty of other suspicious blind
dereferences of active_modem in waterfall.cxx and probably elsewhere. :-(
---
src/waterfall/waterfall.cxx | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/waterfall/waterfall.cxx b/src/waterfall/waterfall.cxx
index 1ae0bd2..eaf3113 100644
--- a/src/waterfall/waterfall.cxx
+++ b/src/waterfall/waterfall.cxx
@@ -1545,7 +1545,8 @@ void waterfall::USB(bool b) {
if (wfdisp->USB() == b)
return;
wfdisp->USB(b);
- active_modem->set_reverse(reverse);
+ if (likely(active_modem))
+ active_modem->set_reverse(reverse);
REQ(&viewer_redraw);
}
--
1.8.1.2
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