linux-kernel - Re: [PATCH] can: mcp251xfd: fix wrong check in mcp251xfd_handle_rxif

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Message-ID: <22d4f83c-81c4-f51a-e03a-414b2f4ffe58@pengutronix.de>
Date:   Wed, 13 Jan 2021 08:56:57 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Qinglang Miao <miaoqinglang@...wei.com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Thomas Kopp <thomas.kopp@...rochip.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] can: mcp251xfd: fix wrong check in
 mcp251xfd_handle_rxif_one

On 1/13/21 8:31 AM, Qinglang Miao wrote:
> If alloc_canfd_skb returns NULL, 'cfg' is an uninitialized
> variable, so we should check 'skb' rather than 'cfd' after
> calling alloc_canfd_skb(priv->ndev, &cfd).
> 
> Fixes: 55e5b97f003e ("can: mcp25xxfd: add driver for Microchip MCP25xxFD SPI CAN")
> Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>

applied to linux-can/testing

Tnx,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
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