linux-kernel - Re: [PATCH 1/2] mmc: sdhci-uhs2: Fix calling incorrect sdhci_set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <86721a4f-1dbd-4ef5-a149-746111170352@intel.com>
Date: Mon, 1 Sep 2025 15:07:32 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Ben Chuang <benchuanggli@...il.com>, <ulf.hansson@...aro.org>
CC: <victor.shih@...esyslogic.com.tw>, <ben.chuang@...esyslogic.com.tw>,
	<HL.Liu@...esyslogic.com.tw>, <SeanHY.Chen@...esyslogic.com.tw>,
	<victorshihgli@...il.com>, <linux-mmc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>
Subject: Re: [PATCH 1/2] mmc: sdhci-uhs2: Fix calling incorrect
 sdhci_set_clock() function

On 01/09/2025 12:40, Ben Chuang wrote:
> From: Ben Chuang <ben.chuang@...esyslogic.com.tw>
> 
> Fix calling incorrect sdhci_set_clock() in __sdhci_uhs2_set_ios() when the
> vendor defines its own sdhci_set_clock().
> 
> Fixes: 10c8298a052b ("mmc: sdhci-uhs2: add set_ios()")
> Cc: stable@...r.kernel.org # v6.13+
> Signed-off-by: Ben Chuang <ben.chuang@...esyslogic.com.tw>
> ---
>  drivers/mmc/host/sdhci-uhs2.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/sdhci-uhs2.c b/drivers/mmc/host/sdhci-uhs2.c
> index 0efeb9d0c376..704fdc946ac3 100644
> --- a/drivers/mmc/host/sdhci-uhs2.c
> +++ b/drivers/mmc/host/sdhci-uhs2.c
> @@ -295,7 +295,10 @@ static void __sdhci_uhs2_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
>  	else
>  		sdhci_uhs2_set_power(host, ios->power_mode, ios->vdd);
>  
> -	sdhci_set_clock(host, host->clock);
> +	if (host->ops->set_clock)
> +		host->ops->set_clock(host, host->clock);
> +	else
> +		sdhci_set_clock(host, host->clock);

host->ops->set_clock is not optional.  So this should just be:

	host->ops->set_clock(host, host->clock);

>  }
>  
>  static int sdhci_uhs2_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)