linux-kernel - [PATCH v1 8/8] media: ov2740: Use traditional pattern when checking error codes

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Date:   Tue, 26 Jul 2022 15:05:56 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Tianshu Qiu <tian.shu.qiu@...el.com>,
        Shawn Tu <shawnx.tu@...el.com>,
        Bingbu Cao <bingbu.cao@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: [PATCH v1 8/8] media: ov2740: Use traditional pattern when checking error codes

Instead of 'if (!ret)' switch to "check for the error first" rule.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/media/i2c/ov2740.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c
index c4c511f90257..afd591be6526 100644
--- a/drivers/media/i2c/ov2740.c
+++ b/drivers/media/i2c/ov2740.c
@@ -1112,7 +1112,6 @@ static int ov2740_register_nvmem(struct i2c_client *client,
 	struct nvmem_config nvmem_config = { };
 	struct regmap *regmap;
 	struct device *dev = &client->dev;
-	int ret;
 
 	nvm = devm_kzalloc(dev, sizeof(*nvm), GFP_KERNEL);
 	if (!nvm)
@@ -1142,12 +1141,11 @@ static int ov2740_register_nvmem(struct i2c_client *client,
 	nvmem_config.size = CUSTOMER_USE_OTP_SIZE;
 
 	nvm->nvmem = devm_nvmem_register(dev, &nvmem_config);
+	if (IS_ERR(nvm->nvmem))
+		return PTR_ERR(nvm->nvmem);
 
-	ret = PTR_ERR_OR_ZERO(nvm->nvmem);
-	if (!ret)
-		ov2740->nvm = nvm;
-
-	return ret;
+	ov2740->nvm = nvm;
+	return 0;
 }
 
 static int ov2740_probe(struct i2c_client *client)
-- 
2.35.1