[LTP] [PATCH 1/1] network/mc_cmds: fix testing with iproute2 <= ss161212

[Alexey Kodanev]

On 01/18/2017 03:57 PM, Petr Vorel wrote:
> -	ip maddr show $(tst_iface) | grep -q '224.0.0.1' || \
> -		tst_brkm TFAIL "all-host-group for $(tst_iface) not joined"
> +	ip maddr show $(tst_iface) | grep -q '224.0.0.1'
> +	if [ $? -ne 0 ]; then
> +		tst_resm TINFO "ip failed to detect multicast, parsing /proc/net/igmp"

Would be better if we pass 'TWARN' flag here.

> +		grep "$(tst_iface)\s*:" -A 1 /proc/net/igmp | tail -1 |grep -q '\s010000E0\s' || \
> +			tst_brkm TFAIL "all-host-group for $(tst_iface) not joined"

I think it's safe to omit 'tail -1'.

Thanks,
Alexey