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Date:   Tue, 28 May 2019 11:39:23 +0000 (UTC)
From:   Kalle Valo <>
To:     Gen Zhang <>
Subject: Re: [PATCH] wlcore: spi: Fix a memory leaking bug in wl1271_probe()

Gen Zhang <> wrote:

> In wl1271_probe(), 'glue->core' is allocated by platform_device_alloc(),
> when this allocation fails, ENOMEM is returned. However, 'pdev_data'
> and 'glue' are allocated by devm_kzalloc() before 'glue->core'. When
> platform_device_alloc() returns NULL, we should also free 'pdev_data'
> and 'glue' before wl1271_probe() ends to prevent leaking memory.
> Similarly, we shoulf free 'pdev_data' when 'glue' is NULL. And we should
> free 'pdev_data' and 'glue' when 'glue->reg' is error and when 'ret' is
> error.
> Further, we should free 'glue->core', 'pdev_data' and 'glue' when this 
> function normally ends to prevent leaking memory.
> Signed-off-by: Gen Zhang <>

Same questions as with similar SDIO patch:

Patch set to Changes Requested.


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