Thread (22 messages) flat view 22 messages, 4 authors, 2021-03-11

[net 17/18] net/mlx5: SF: Fix error flow of SFs allocation flow

From: Saeed Mahameed <saeed@kernel.org>
Date: 2021-03-10 19:04:53
Also in: linux-rdma
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: Shay Drory <redacted>

When SF id is unavailable, code jumps to wrong label that accesses
sw id array outside of its range.
Hence, when SF id is not allocated, avoid accessing such array.

Fixes: 8f0105418668 ("net/mlx5: SF, Add port add delete functionality")
Signed-off-by: Shay Drory <redacted>
Reviewed-by: Parav Pandit <redacted>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c
index 58b6be0b03d7..0914909806cb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c
@@ -64,7 +64,7 @@ int mlx5_sf_hw_table_sf_alloc(struct mlx5_core_dev *dev, u32 usr_sfnum)
 	}
 	if (sw_id == -ENOSPC) {
 		err = -ENOSPC;
-		goto err;
+		goto exist_err;
 	}
 
 	hw_fn_id = mlx5_sf_sw_to_hw_id(table->dev, sw_id);
-- 
2.29.2
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