From 0abd4986f9d0b41cea18453e60fe2947e6eae047 Mon Sep 17 00:00:00 2001 From: Lubomir Rintel Date: Wed, 9 Dec 2009 08:54:41 +0100 Subject: [PATCH] Gracefuly exit upon pcap_findalldevs() error --- bandwidthd.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/bandwidthd.c b/bandwidthd.c index a0d18d0..d69737f 100644 --- a/bandwidthd.c +++ b/bandwidthd.c @@ -320,6 +320,11 @@ int main(int argc, char **argv) #ifdef HAVE_PCAP_FINDALLDEVS pcap_findalldevs(&Devices, Error); + if (Devices == NULL) + { + printf("Can't find network devices: %s", Error); + exit(1); + } if (config.dev == NULL && Devices->name) config.dev = strdup(Devices->name); if (ListDevices) -- 1.6.5.3