linux-kernel - [PATCH v2 1/2] pwm: core: Refactor pwmchip

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Date:   Mon, 14 Nov 2022 19:00:04 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, linux-pwm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 1/2] pwm: core: Refactor pwmchip_add() to avoid extra checks

When we already know that everything is fine there is no need
to use ret variable. Refactor code accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
v2: rebased with dropped wrong patch (LKP)
 drivers/pwm/core.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index d333e7422f4a..855abd0a776f 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -296,16 +296,16 @@ int pwmchip_add(struct pwm_chip *chip)
 	INIT_LIST_HEAD(&chip->list);
 	list_add(&chip->list, &pwm_chips);
 
-	ret = 0;
-
 	if (IS_ENABLED(CONFIG_OF))
 		of_pwmchip_add(chip);
 
-out:
 	mutex_unlock(&pwm_lock);
 
-	if (!ret)
-		pwmchip_sysfs_export(chip);
+	pwmchip_sysfs_export(chip);
+
+	return 0;
+out:
+	mutex_unlock(&pwm_lock);
 
 	return ret;
 }
-- 
2.35.1