linux-kernel - [PATCH v1 1/2] mmc: slot-gpio: Refactor mmc_gpio

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Date:   Wed, 29 Sep 2021 14:17:56 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH v1 1/2] mmc: slot-gpio: Refactor mmc_gpio_alloc()

Refactor mmc_gpio_alloc() to drop unneeded indentation level
and double condition. This increases readability of the code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/mmc/core/slot-gpio.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 05e907451df9..e365d328f43c 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -39,24 +39,24 @@ static irqreturn_t mmc_gpio_cd_irqt(int irq, void *dev_id)
 
 int mmc_gpio_alloc(struct mmc_host *host)
 {
-	struct mmc_gpio *ctx = devm_kzalloc(host->parent,
-					    sizeof(*ctx), GFP_KERNEL);
-
-	if (ctx) {
-		ctx->cd_debounce_delay_ms = 200;
-		ctx->cd_label = devm_kasprintf(host->parent, GFP_KERNEL,
-				"%s cd", dev_name(host->parent));
-		if (!ctx->cd_label)
-			return -ENOMEM;
-		ctx->ro_label = devm_kasprintf(host->parent, GFP_KERNEL,
-				"%s ro", dev_name(host->parent));
-		if (!ctx->ro_label)
-			return -ENOMEM;
-		host->slot.handler_priv = ctx;
-		host->slot.cd_irq = -EINVAL;
-	}
+	const char *devname = dev_name(host->parent);
+	struct mmc_gpio *ctx;
+
+	ctx = devm_kzalloc(host->parent, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	ctx->cd_debounce_delay_ms = 200;
+	ctx->cd_label = devm_kasprintf(host->parent, GFP_KERNEL, "%s cd", devname);
+	if (!ctx->cd_label)
+		return -ENOMEM;
+	ctx->ro_label = devm_kasprintf(host->parent, GFP_KERNEL, "%s ro", devname);
+	if (!ctx->ro_label)
+		return -ENOMEM;
+	host->slot.handler_priv = ctx;
+	host->slot.cd_irq = -EINVAL;
 
-	return ctx ? 0 : -ENOMEM;
+	return 0;
 }
 
 int mmc_gpio_get_ro(struct mmc_host *host)
-- 
2.33.0