netdev - Re: [PATCH] net: macb: Add a NULL check on desc

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Date:   Wed, 25 Aug 2021 09:50:05 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Harini Katakam <harini.katakam@...inx.com>
Cc:     nicolas.ferre@...rochip.com, davem@...emloft.net,
        claudiu.beznea@...rochip.com, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        michal.simek@...inx.com, harinikatakamlinux@...il.com
Subject: Re: [PATCH] net: macb: Add a NULL check on desc_ptp

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Tue, 24 Aug 2021 15:32:09 +0530 you wrote:
> macb_ptp_desc will not return NULL under most circumstances with correct
> Kconfig and IP design config register. But for the sake of the extreme
> corner case, check for NULL when using the helper. In case of rx_tstamp,
> no action is necessary except to return (similar to timestamp disabled)
> and warn. In case of TX, return -EINVAL to let the skb be free. Perform
> this check before marking skb in progress.
> Fixes coverity warning:
> (4) Event dereference:
> Dereferencing a null pointer "desc_ptp"
> 
> [...]

Here is the summary with links:
  - net: macb: Add a NULL check on desc_ptp
    https://git.kernel.org/netdev/net/c/85520079afce

You are awesome, thank you!
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