netdev - Re: [PATCH] net: stmmac: tegra: Properly allocate clock bulk data

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Message-ID: <ZMJZzfqBxRNSeLxc@corigine.com>
Date: Thu, 27 Jul 2023 13:49:33 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Thierry Reding <thierry.reding@...il.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Jon Hunter <jonathanh@...dia.com>,
	Revanth Kumar Uppala <ruppala@...dia.com>,
	Bhadram Varka <vbhadram@...dia.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org,
	linux-tegra@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH] net: stmmac: tegra: Properly allocate clock bulk data

On Wed, Jul 26, 2023 at 06:32:00PM +0200, Thierry Reding wrote:
> From: Thierry Reding <treding@...dia.com>

+  Revanth Kumar Uppala <ruppala@...dia.com>,
   Bhadram Varka <vbhadram@...dia.com>,
   Maxime Coquelin <mcoquelin.stm32@...il.com>,
   linux-arm-kernel@...ts.infradead.org,
   linux-stm32@...md-mailman.stormreply.com

   As per the output of
   ./scripts/get_maintainer.pl --git-min-percent 25 this.patch
   which is the preferred method to determine the CC list for
   Networking patches.

> The clock data is an array of struct clk_bulk_data, so make sure to
> allocate enough memory.
> 
> Fixes: d8ca113724e7 ("net: stmmac: tegra: Add MGBE support")
> Signed-off-by: Thierry Reding <treding@...dia.com>

Reviewed-by: Simon Horman <simon.horman@...igine.com>

> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
> index 99e2e5a5cd60..78a492b91bc6 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
> @@ -234,7 +234,8 @@ static int tegra_mgbe_probe(struct platform_device *pdev)
>  	res.addr = mgbe->regs;
>  	res.irq = irq;
>  
> -	mgbe->clks = devm_kzalloc(&pdev->dev, sizeof(*mgbe->clks), GFP_KERNEL);
> +	mgbe->clks = devm_kcalloc(&pdev->dev, ARRAY_SIZE(mgbe_clks),
> +				  sizeof(*mgbe->clks), GFP_KERNEL);
>  	if (!mgbe->clks)
>  		return -ENOMEM;
>  
> -- 
> 2.41.0
> 
>