linux-kernel - Re: [PATCH 2/4] nvmem: core: allow nvmem_cell_post_process

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Message-ID: <37f821b8-f681-08e4-d4f1-d37be191ff7f@linaro.org>
Date:   Thu, 9 Mar 2023 10:12:24 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Rafał Miłecki <zajec5@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Michael Walle <michael@...le.cc>, gregkh@...uxfoundation.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, u-boot@...ts.denx.de,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH 2/4] nvmem: core: allow nvmem_cell_post_process_t
 callbacks to adjust buffer



On 22/02/2023 17:22, Rafał Miłecki wrote:
> @@ -1791,11 +1792,15 @@ ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem,
>   	if (!nvmem)
>   		return -EINVAL;
>   
> +	/* Cells with read_post_process hook may realloc buffer we can't allow here */
> +	if (info->read_post_process)
> +		return -EINVAL;
This should probably go in 1/4 patch. Other than that series looks good 
to me.

--srini