linux-kernel - Re: [PATCH v1] clk: davinci: Add NULL check in davinci_lpsc_clk

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Message-ID: <b79bda63-79bf-47b6-8ac1-1444ed101423@lechnology.com>
Date: Tue, 1 Apr 2025 09:05:34 -0500
From: David Lechner <david@...hnology.com>
To: Henry Martin <bsdhenrymartin@...il.com>, mturquette@...libre.com,
 sboyd@...nel.org
Cc: linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] clk: davinci: Add NULL check in
 davinci_lpsc_clk_register()

On 4/1/25 8:13 AM, Henry Martin wrote:
> devm_kasprintf() returns NULL when memory allocation fails. Currently,
> davinci_lpsc_clk_register() does not check for this case, which results
> in a NULL pointer dereference.
> 
> Add NULL check after devm_kasprintf() to prevent this issue and ensuring
> no resources are left allocated.
> 
> Fixes: c6ed4d734bc7 ("clk: davinci: New driver for davinci PSC clocks")
> Signed-off-by: Henry Martin <bsdhenrymartin@...il.com>
> ---

Reviewed-by: David Lechner <david@...hnology.com>