linux-kernel - Re: [PATCH] phy: tegra: xusb: check return value of devm

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Message-ID: <ZHhnP506sBQ3EGGf@orome>
Date:   Thu, 1 Jun 2023 11:39:11 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     jckuo@...dia.com, vkoul@...nel.org, kishon@...nel.org,
        jonathanh@...dia.com, nkristam@...dia.com,
        linux-phy@...ts.infradead.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] phy: tegra: xusb: check return value of devm_kzalloc()

On Wed, May 31, 2023 at 10:39:50AM +0300, Claudiu Beznea wrote:
> devm_kzalloc() returns a pointer to dynamically allocated memory.
> Pointer could be NULL in case allocation fails. Check pointer validity.
> Identified with coccinelle (kmerr.cocci script).
> 
> Fixes: f67213cee2b3 ("phy: tegra: xusb: Add usb-role-switch support")
> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
> ---
> 
> Hi,
> 
> This has been addressed using kmerr.cocci script proposed for update
> at [1].
> 
> Thank you,
> Claudiu Beznea
> 
> [1] https://lore.kernel.org/all/20230530074044.1603426-1-claudiu.beznea@microchip.com/
> 
>  drivers/phy/tegra/xusb.c | 3 +++
>  1 file changed, 3 insertions(+)

Acked-by: Thierry Reding <treding@...dia.com>

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