Commit 008e7a7c authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso Committed by Florian Westphal
Browse files

net: remove WARN_ON_ONCE when accessing forward path array 



Although unlikely, recent support for IPIP tunnels increases chances of
reaching this WARN_ON_ONCE if userspace manages to build a sufficiently
long forward path.

Remove it.

Fixes: ddb94eaf ("net: resolve forwarding path from virtual netdevice and HW destination address")
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: default avatarFlorian Westphal <fw@strlen.de>
parent 8fde939b

net/core/dev.c

+1 −1
Original line number Diff line number Diff line
@@ -744,7 +744,7 @@ static struct net_device_path *dev_fwd_path(struct net_device_path_stack *stack) 
{

	int k = stack->num_paths++;



	if (WARN_ON_ONCE(k >= NET_DEVICE_PATH_STACK_MAX))

	if (k >= NET_DEVICE_PATH_STACK_MAX)

		return NULL;



	return &stack->path[k];