linux-kernel - Re: [PATCH] mfd: stmpe: Revert "Constify static struct resource"

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] [day] [month] [year] [list]

Date:   Wed, 3 Mar 2021 10:15:23 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: stmpe: Revert "Constify static struct resource"

On Wed, Mar 03, 2021 at 12:47:10AM +0100, Rikard Falkeborn wrote:
> Andy noted that constification of some static resource structs in

(If you wish, you may use Reported-by:, I'm fine with either way)

> intel_quark_i2c_gpio.c were incorrect. It turns out there is another
> change from the same series that is also incorrect in stmpe.c.
> These structures are modified at init and can not be made const.
> 
> This reverts commit 8d7b3a6dac4eae22c58b0853696cbd256966741b.

I recommend to add a comment in the code as I did so nobody (okay, who reads
the comments) will change that again.

Thanks!

> Fixes: 8d7b3a6dac4e ("mfd: stmpe: Constify static struct resource")
> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
> ---
> I went through the series and this was the only additional issue I
> found. Sorry about that.
> 
>  drivers/mfd/stmpe.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c
> index 90f3292230c9..1aee3b3253fc 100644
> --- a/drivers/mfd/stmpe.c
> +++ b/drivers/mfd/stmpe.c
> @@ -312,7 +312,7 @@ EXPORT_SYMBOL_GPL(stmpe_set_altfunc);
>   * GPIO (all variants)
>   */
>  
> -static const struct resource stmpe_gpio_resources[] = {
> +static struct resource stmpe_gpio_resources[] = {
>  	/* Start and end filled dynamically */
>  	{
>  		.flags	= IORESOURCE_IRQ,
> @@ -336,7 +336,7 @@ static const struct mfd_cell stmpe_gpio_cell_noirq = {
>   * Keypad (1601, 2401, 2403)
>   */
>  
> -static const struct resource stmpe_keypad_resources[] = {
> +static struct resource stmpe_keypad_resources[] = {
>  	{
>  		.name	= "KEYPAD",
>  		.flags	= IORESOURCE_IRQ,
> @@ -357,7 +357,7 @@ static const struct mfd_cell stmpe_keypad_cell = {
>  /*
>   * PWM (1601, 2401, 2403)
>   */
> -static const struct resource stmpe_pwm_resources[] = {
> +static struct resource stmpe_pwm_resources[] = {
>  	{
>  		.name	= "PWM0",
>  		.flags	= IORESOURCE_IRQ,
> @@ -445,7 +445,7 @@ static struct stmpe_variant_info stmpe801_noirq = {
>   * Touchscreen (STMPE811 or STMPE610)
>   */
>  
> -static const struct resource stmpe_ts_resources[] = {
> +static struct resource stmpe_ts_resources[] = {
>  	{
>  		.name	= "TOUCH_DET",
>  		.flags	= IORESOURCE_IRQ,
> @@ -467,7 +467,7 @@ static const struct mfd_cell stmpe_ts_cell = {
>   * ADC (STMPE811)
>   */
>  
> -static const struct resource stmpe_adc_resources[] = {
> +static struct resource stmpe_adc_resources[] = {
>  	{
>  		.name	= "STMPE_TEMP_SENS",
>  		.flags	= IORESOURCE_IRQ,
> -- 
> 2.30.1
> 

-- 
With Best Regards,
Andy Shevchenko