linux-kernel - RE: [PATCH] net: mana: Fix memory leak in mana_hwc_create

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Date:   Thu, 9 Dec 2021 00:32:43 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     José Expósito <jose.exposito89@...il.com>,
        KY Srinivasan <kys@...rosoft.com>
CC:     Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "sumit.semwal@...aro.org" <sumit.semwal@...aro.org>,
        "christian.koenig@....com" <christian.koenig@....com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linaro-mm-sig@...ts.linaro.org" <linaro-mm-sig@...ts.linaro.org>
Subject: RE: [PATCH] net: mana: Fix memory leak in mana_hwc_create_wq

> From: José Expósito <jose.exposito89@...il.com>
> Sent: Wednesday, December 8, 2021 2:37 PM
> 
> If allocating the DMA buffer fails, mana_hwc_destroy_wq was called
> without previously storing the pointer to the queue.
> 
> In order to avoid leaking the pointer to the queue, store it as soon as
> it is allocated.
> 
> Addresses-Coverity-ID: 1484720 ("Resource leak")
> Signed-off-by: José Expósito <jose.exposito89@...il.com>

Reviewed-by: Dexuan Cui <decui@...rosoft.com>