[net-next v2 05/16] net/mlx5: DR, Add check for flex parser ID value
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From: Saeed Mahameed <saeed@kernel.org>
Date: 2021-12-31 08:20:50
Subsystem:
mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Yevgeny Kliteynik <redacted> Allow only legal values for flex parser ID - values from 0 to 7. For other values skip the parser, and as a result the matcher creation will fail for using invalid flex parser ID. Signed-off-by: Hamdan Igbaria <redacted> Signed-off-by: Yevgeny Kliteynik <redacted> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> --- drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c
index b0649c2877dd..17bfd1ec0589 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c@@ -1704,7 +1704,7 @@ static void dr_ste_v0_set_flex_parser(u32 *misc4_field_id, u32 id = *misc4_field_id; u8 *parser_ptr; - if (parser_is_used[id]) + if (id >= DR_NUM_OF_FLEX_PARSERS || parser_is_used[id]) return; parser_is_used[id] = true;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c
index cb9cf67b0a02..a7772804f8e5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c@@ -1833,7 +1833,7 @@ static void dr_ste_v1_set_flex_parser(u32 *misc4_field_id, u32 id = *misc4_field_id; u8 *parser_ptr; - if (parser_is_used[id]) + if (id >= DR_NUM_OF_FLEX_PARSERS || parser_is_used[id]) return; parser_is_used[id] = true;
--
2.33.1