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net/mlx5: E-Switch, Protect from invalid memory access in offload fdb table

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The esw offloads structures share a union with the legacy mode structs.
Reset the offloads struct to zero in init to protect from null
assumptions made by the legacy mode code.

Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Roi Dayan 2019-03-21 15:51:35 -07:00 committed by Saeed Mahameed
parent 84be899f6f
commit 5c1d260ed1
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
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@ -1611,6 +1611,7 @@ static int esw_offloads_steering_init(struct mlx5_eswitch *esw, int nvports)
{
int err;
memset(&esw->fdb_table.offloads, 0, sizeof(struct offloads_fdb));
mutex_init(&esw->fdb_table.offloads.fdb_prio_lock);
err = esw_create_offloads_fdb_tables(esw, nvports);