From: Jean Delvare <jdelvare@suse.de>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
linux-gpio@vger.kernel.org, Wolfram Sang <wsa@kernel.org>,
linux-i2c@vger.kernel.org
Subject: Re: [PATCH v1 1/3] gpiolib: Follow usual pattern for gpiod_remove_lookup_table() call
Date: Wed, 6 Jan 2021 17:03:02 +0100 [thread overview]
Message-ID: <20210106170302.551cb579@endymion> (raw)
In-Reply-To: <20201228200618.58716-1-andriy.shevchenko@linux.intel.com>
On Mon, 28 Dec 2020 22:06:16 +0200, Andy Shevchenko wrote:
> The usual pattern for the remove calls, like gpiod_remove_lookup_table(),
> is to be NULL-aware, i.o.w. become a no-op whenever parameter is NULL.
> Update gpiod_remove_lookup_table() call to follow this pattern.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
> drivers/gpio/gpiolib.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
> index b02cc2abd3b6..611d6ea82d75 100644
> --- a/drivers/gpio/gpiolib.c
> +++ b/drivers/gpio/gpiolib.c
> @@ -3460,6 +3460,10 @@ EXPORT_SYMBOL_GPL(gpiod_add_lookup_table);
> */
> void gpiod_remove_lookup_table(struct gpiod_lookup_table *table)
> {
> + /* Nothing to remove */
> + if (!table)
> + return;
> +
> mutex_lock(&gpio_lookup_lock);
>
> list_del(&table->list);
Reviewed-by: Jean Delvare <jdelvare@suse.de>
--
Jean Delvare
SUSE L3 Support
prev parent reply other threads:[~2021-01-06 16:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-28 20:06 [PATCH v1 1/3] gpiolib: Follow usual pattern for gpiod_remove_lookup_table() call Andy Shevchenko
2020-12-28 20:06 ` [PATCH v1 2/3] i2c: i801: Drop duplicate NULL check in i801_del_mux() Andy Shevchenko
2021-01-06 16:03 ` Jean Delvare
2020-12-28 20:06 ` [PATCH v1 3/3] i2c: i801: Refactor mux code since platform_device_unregister() is NULL aware Andy Shevchenko
2021-01-06 16:03 ` Jean Delvare
2021-01-04 14:24 ` [PATCH v1 1/3] gpiolib: Follow usual pattern for gpiod_remove_lookup_table() call Bartosz Golaszewski
2021-01-04 14:33 ` Andy Shevchenko
2021-01-04 14:59 ` Bartosz Golaszewski
2021-01-06 16:03 ` Jean Delvare [this message]
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