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From: Pavel Machek <pavel@ucw.cz> To: Colin King <colin.king@canonical.com> Cc: linux-leds@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] leds: flash: Remove redundant initialization of variable ret Date: Mon, 16 Aug 2021 08:51:10 +0200 [thread overview] Message-ID: <20210816065110.GA7500@duo.ucw.cz> (raw) In-Reply-To: <20210612132547.58727-1-colin.king@canonical.com> [-- Attachment #1: Type: text/plain, Size: 1532 bytes --] Hi! > From: Colin Ian King <colin.king@canonical.com> > > The variable ret is being initialized with a value that is never read, > it is being updated later on. The assignment is redundant and can be > removed. > > Addresses-Coverity: ("Unused value") > Signed-off-by: Colin Ian King <colin.king@canonical.com> I did this instead; hopefully that's okay with everyone. Best regards, Pavel commit 654933ae7d32f278eecd0bb0f175785574ac4775 Author: Pavel Machek <pavel@ucw.cz> Date: Mon Aug 16 08:47:08 2021 +0200 leds: flash: Remove redundant initialization of variable ret Adjust initialization not to trigger Coverity warnings. Reported-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> diff --git a/drivers/leds/led-class-flash.c b/drivers/leds/led-class-flash.c index 6eeb9effcf65..185e17055317 100644 --- a/drivers/leds/led-class-flash.c +++ b/drivers/leds/led-class-flash.c @@ -92,14 +92,12 @@ static ssize_t flash_strobe_store(struct device *dev, struct led_classdev *led_cdev = dev_get_drvdata(dev); struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev); unsigned long state; - ssize_t ret = -EINVAL; + ssize_t ret = -EBUSY; mutex_lock(&led_cdev->led_access); - if (led_sysfs_is_disabled(led_cdev)) { - ret = -EBUSY; + if (led_sysfs_is_disabled(led_cdev)) goto unlock; - } ret = kstrtoul(buf, 10, &state); if (ret) -- http://www.livejournal.com/~pavelmachek [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 195 bytes --]
next prev parent reply other threads:[~2021-08-16 6:51 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-12 13:25 [PATCH] leds: flash: Remove redundant initialization of variable ret Colin King 2021-08-16 6:51 ` Pavel Machek [this message] 2021-08-16 7:55 ` Colin Ian King
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