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Date:   Tue, 13 Aug 2019 19:46:25 -0700
From:   Jakub Kicinski <>
To:     Wenwen Wang <>
Cc:     Tariq Toukan <>,
        "David S. Miller" <>, (open list:MELLANOX ETHERNET DRIVER (mlx4_en)), (open list:MELLANOX MLX4 core VPI driver), (open list)
Subject: Re: [PATCH v2] net/mlx4_en: fix a memory leak bug

On Mon, 12 Aug 2019 14:11:35 -0500, Wenwen Wang wrote:
> In mlx4_en_config_rss_steer(), 'rss_map->indir_qp' is allocated through
> kzalloc(). After that, mlx4_qp_alloc() is invoked to configure RSS
> indirection. However, if mlx4_qp_alloc() fails, the allocated
> 'rss_map->indir_qp' is not deallocated, leading to a memory leak bug.
> To fix the above issue, add the 'qp_alloc_err' label to free
> 'rss_map->indir_qp'.
> Fixes: 4931c6ef04b4 ("net/mlx4_en: Optimized single ring steering")
> Signed-off-by: Wenwen Wang <>

Applied, thanks.

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