linux-kernel - Re: [PATCH] RDMA/mlx5: Fix memory leak in GET_DATA_DIRECT_SYSFS

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Message-Id: <176952361266.919365.7397232673824655302.b4-ty@kernel.org>
Date: Tue, 27 Jan 2026 09:20:12 -0500
From: Leon Romanovsky <leon@...nel.org>
To: Zilin Guan <zilin@....edu.cn>
Cc: jgg@...pe.ca, yishaih@...dia.com, linux-rdma@...r.kernel.org, 
 linux-kernel@...r.kernel.org, jianhao.xu@....edu.cn
Subject: Re: [PATCH] RDMA/mlx5: Fix memory leak in
 GET_DATA_DIRECT_SYSFS_PATH handler


On Mon, 26 Jan 2026 07:48:01 +0000, Zilin Guan wrote:
> The UVERBS_HANDLER(MLX5_IB_METHOD_GET_DATA_DIRECT_SYSFS_PATH) function
> allocates memory for the device path using kobject_get_path(). If the
> length of the device path exceeds the output buffer length, the function
> returns -ENOSPC but does not free the allocated memory, resulting in a
> memory leak.
> 
> Add a kfree() call to the error path to ensure the allocated memory is
> properly freed.
> 
> [...]

Applied, thanks!

[1/1] RDMA/mlx5: Fix memory leak in GET_DATA_DIRECT_SYSFS_PATH handler
      (no commit info)

Best regards,
-- 
Leon Romanovsky <leon@...nel.org>