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xfrm: Increment statistic counter on inner mode error

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Increment the LINUX_MIB_XFRMINSTATEMODEERROR statistic counter
to notify about dropped packets if we fail to fetch a inner mode.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert 2015-10-23 07:52:58 +02:00
parent ea673a4d3a
commit cb866e3298
1 changed files with 3 additions and 1 deletions
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4
net/xfrm/xfrm_input.c
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@ -330,8 +330,10 @@ resume:
if (x->sel.family == AF_UNSPEC) {
inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol);
if (inner_mode == NULL)
if (inner_mode == NULL) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEMODEERROR);
goto drop;
}
}
if (inner_mode->input(x, skb)) {