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Commit cb866e32 authored by Steffen Klassert's avatar Steffen Klassert
Browse files

xfrm: Increment statistic counter on inner mode error 



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

Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
parent ea673a4d

net/xfrm/xfrm_input.c

+3 −1
Original line number Diff line number Diff line
@@ -330,9 +330,11 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) 


		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)) {

			XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEMODEERROR);