linux-kernel - Re: [PATCH 1/1] nfc: nfcmrvl: Fix memory leak in nfcmrvl_play

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Date:   Fri, 3 Jun 2022 18:33:13 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Xiaohui Zhang <ruc_zhangxiaohui@....com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, hifoolno <553441439@...com>
Subject: Re: [PATCH 1/1] nfc: nfcmrvl: Fix memory leak in
 nfcmrvl_play_deferred

On Sat,  4 Jun 2022 00:31:27 +0800 Xiaohui Zhang wrote:
> From: hifoolno <553441439@...com>
> 
> Currently usb_submit_urb is called directly to submit deferred tx
> urbs after unanchor them.
> 
> So the usb_giveback_urb_bh would failed to unref it in usb_unanchor_urb
> and cause memory leak.
> 
> Put those urbs in tx_anchor to avoid the leak, and also fix the error
> handling.
> 
> Signed-off-by: hifoolno <553441439@...com>

hifoolno is too close to "Hi Fool" for comfort. Is that really your
name?

Also the patch doesn't build.