Commit 6b1206bb authored May 18, 2017 by Arkadi Sharshevsky Committed by David S. Miller May 18, 2017

mlxsw: spectrum_router: Fix rif counter freeing routine



During rif counter freeing the counter index can be invalid. Add check
of validity before freeing the counter.

Fixes: e0c0afd8 ("mlxsw: spectrum: Support for counters on router interfaces")
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 6dd4aba3

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -206,6 +206,9 @@ void mlxsw_sp_rif_counter_free(struct mlxsw_sp *mlxsw_sp,
		{
		unsigned int *p_counter_index;

		if (!mlxsw_sp_rif_counter_valid_get(rif, dir))
		return;

		p_counter_index = mlxsw_sp_rif_p_counter_get(rif, dir);
		if (WARN_ON(!p_counter_index))
		return;

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