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    Subject[PATCH 5.12 035/161] net/mlx5: Check firmware sync reset requested is set before trying to abort it
    Date
    From: Moshe Shemesh <moshe@nvidia.com>

    [ Upstream commit 5940e64281c09976ce2b560244217e610bf9d029 ]

    In case driver sent NACK to firmware on sync reset request, it will get
    sync reset abort event while it didn't set sync reset requested mode.
    Thus, on abort sync reset event handler, driver should check reset
    requested is set before trying to stop sync reset poll.

    Fixes: 7dd6df329d4c ("net/mlx5: Handle sync reset abort event")
    Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
    Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
    Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
    index f9042e147c7f..ee710ce00795 100644
    --- a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
    +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
    @@ -354,6 +354,9 @@ static void mlx5_sync_reset_abort_event(struct work_struct *work)
    reset_abort_work);
    struct mlx5_core_dev *dev = fw_reset->dev;

    + if (!test_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags))
    + return;
    +
    mlx5_sync_reset_clear_reset_requested(dev, true);
    mlx5_core_warn(dev, "PCI Sync FW Update Reset Aborted.\n");
    }
    --
    2.30.2


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