net/mlx5: Fix L3 tunnel entropy refcount leak

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mlx5_tun_entropy_refcount_inc() counts both VXLAN and L2-to-L3
tunnel reformat entries as entropy-enabling users. The matching
decrement path only handled VXLAN, leaving L2-to-L3 tunnel entries
counted after release.

Handle MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL in
mlx5_tun_entropy_refcount_dec() as well so the enabling entry
refcount remains balanced.

Fixes: f828ca6a2f ("net/mlx5e: Add support for hw encapsulation of MPLS over UDP")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260703141423.1723-1-lirongqing@baidu.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Li RongQing 2026-07-03 22:14:23 +08:00 • committed by Paolo Abeni

parent 604e959444

commit c914307e1d

1 changed files with 2 additions and 1 deletions

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drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c

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