linux-hardening - Re: [PATCH -next] mmc: sdhci-cadence: Annotate struct sdhci_cdns_phy_param with __counted

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Message-ID: <42492aed-9b94-47cf-a5c2-a3fd44247f80@embeddedor.com>
Date: Wed, 4 Sep 2024 18:16:55 -0600
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Hongbo Li <lihongbo22@...wei.com>, adrian.hunter@...el.com,
 ulf.hansson@...aro.org, kees@...nel.org, gustavoars@...nel.org
Cc: linux-mmc@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH -next] mmc: sdhci-cadence: Annotate struct
 sdhci_cdns_phy_param with __counted_by()

[..]

> -	struct sdhci_cdns_phy_param phy_params[];
> +	struct sdhci_cdns_phy_param phy_params[] __counted_by(count);

It seems there is no such `count` member in the structure[1].

Since `counted_by` hasn't been released in GCC yet. Please, make
sure to build-test any `counted_by` patches with Clang 18+.

Thanks
--
Gustavo

[1] https://lore.kernel.org/linux-hardening/202409042358.dwEQMShp-lkp@intel.com/