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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: Marco Felsch <m.felsch@pengutronix.de>, barebox@lists.infradead.org
Cc: Jules Maselbas <jmaselbas@kalray.eu>
Subject: Re: [PATCH 02/10] gpiolib: simplify for loop break condition
Date: Tue, 13 Jun 2023 09:37:34 +0200	[thread overview]
Message-ID: <bef5c0a7-bd0f-241d-ad4d-abca909064af@pengutronix.de> (raw)
In-Reply-To: <20230602074921.2687669-3-m.felsch@pengutronix.de>

On 02.06.23 09:49, Marco Felsch wrote:
> No functional change just a simplification to align it with the Linux
> kernel. Also add the kernel comment to make the reason clear.
> 
> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>

> ---
>  drivers/gpio/gpiolib.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
> index b4a3a4e550..0df43c9f8f 100644
> --- a/drivers/gpio/gpiolib.c
> +++ b/drivers/gpio/gpiolib.c
> @@ -529,7 +529,15 @@ static int of_gpiochip_scan_hogs(struct gpio_chip *chip)
>  		of_property_read_string_array(chip->dev->of_node,
>  					      "gpio-line-names", arr, count);
>  
> -		for (i = 0; i < chip->ngpio && i < count; i++)
> +		/*
> +		 * Since property 'gpio-line-names' cannot contains gaps, we
> +		 * have to be sure we only assign those pins that really exists
> +		 * since chip->ngpio can be less.
> +		 */
> +		if (count > chip->ngpio)
> +			count = chip->ngpio;
> +
> +		for (i = 0; i < count; i++)
>  			gpio_desc[chip->base + i].name = xstrdup(arr[i]);
>  
>  		free(arr);

-- 
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  reply	other threads:[~2023-06-13  7:38 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-02  7:49 [PATCH 00/10] Fix gpio-hogs and sync with Linux gpiolib Marco Felsch
2023-06-02  7:49 ` [PATCH 01/10] gpiolib: fix gpio-hog functionality Marco Felsch
2023-06-13  7:36   ` Ahmad Fatoum
2023-06-02  7:49 ` [PATCH 02/10] gpiolib: simplify for loop break condition Marco Felsch
2023-06-13  7:37   ` Ahmad Fatoum [this message]
2023-06-02  7:49 ` [PATCH 03/10] gpiolib: rename local gpio-line-names variable Marco Felsch
2023-06-13  7:38   ` Ahmad Fatoum
2023-06-02  7:49 ` [PATCH 04/10] gpiolib: fix gpio name memory leak Marco Felsch
2023-06-13  7:39   ` Ahmad Fatoum
2023-06-02  7:49 ` [PATCH 05/10] gpiolib: fix missing error check while query gpio-line-names Marco Felsch
2023-06-13  7:43   ` Ahmad Fatoum
2023-06-02  7:49 ` [PATCH 06/10] gpiolib: refactor gpio-line-names parsing Marco Felsch
2023-06-13  7:44   ` Ahmad Fatoum
2023-06-02  7:49 ` [PATCH 07/10] gpiolib: introduce of_gpiochip_add to bundle all of functions Marco Felsch
2023-06-13  7:46   ` Ahmad Fatoum
2023-06-02  7:49 ` [PATCH 08/10] OF: gpio: snyc of_get_named_gpio_flags variable with kernel Marco Felsch
2023-06-02  8:04   ` Jules Maselbas
2023-06-13  7:46   ` Ahmad Fatoum
2023-06-02  7:49 ` [PATCH 09/10] OF: gpio: fix device_node leakage Marco Felsch
2023-06-13  7:49   ` Ahmad Fatoum
2023-06-13  8:22     ` Marco Felsch
2023-06-02  7:49 ` [PATCH 10/10] gpiolib: add of_xlate support Marco Felsch
2023-06-02  8:11   ` Jules Maselbas
2023-06-05  7:49   ` Jules Maselbas
2023-06-05  9:51     ` Marco Felsch
2023-06-13  7:58   ` Ahmad Fatoum
2023-06-13 13:05   ` Ahmad Fatoum

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