netsniff-ng: fix snooping on any device when no option is given
commit42ca7e42aa76ee52499ae82370d11d044e811f35
authorDaniel Borkmann <daniel@iogearbox.net>
Tue, 21 Apr 2015 10:23:13 +0000 (21 12:23 +0200)
committerDaniel Borkmann <daniel@iogearbox.net>
Tue, 21 Apr 2015 10:23:13 +0000 (21 12:23 +0200)
treeadffcdc849116db639441194a37cb0c001003904
parent264ef01ddd743c8832fcc142b460fc13dc749138
netsniff-ng: fix snooping on any device when no option is given

Commit f43bbe9e895a ("mac80211: Check existence of generated monX
device") broke starting netsniff-ng w/o any arguments, that is,
sniffing on "any" device. The test in device_ifindex() should be
index < 0.

Fixes: f43bbe9e895a ("mac80211: Check existence of generated monX device")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
dev.c