linux-kernel - [patch] pm2301-charger: remove unneeded NULL checks

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Date:	Thu, 7 Nov 2013 11:06:17 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Anton Vorontsov <anton@...msg.org>,
	Lee Jones <lee.jones@...aro.org>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] pm2301-charger: remove unneeded NULL checks

If "pm2" were NULL we would oops printing the error message.
Fortunately, that's not possible so I have removed the NULL checks.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/power/pm2301_charger.c b/drivers/power/pm2301_charger.c
index b733c69..62c15af 100644
--- a/drivers/power/pm2301_charger.c
+++ b/drivers/power/pm2301_charger.c
@@ -957,37 +957,24 @@ static int  pm2xxx_runtime_suspend(struct device *dev)
 {
 	struct i2c_client *pm2xxx_i2c_client = to_i2c_client(dev);
 	struct pm2xxx_charger *pm2;
-	int ret = 0;
 
 	pm2 = (struct pm2xxx_charger *)i2c_get_clientdata(pm2xxx_i2c_client);
-	if (!pm2) {
-		dev_err(pm2->dev, "no pm2xxx_charger data supplied\n");
-		ret = -EINVAL;
-		return ret;
-	}
-
 	clear_lpn_pin(pm2);
 
-	return ret;
+	return 0;
 }
 
 static int  pm2xxx_runtime_resume(struct device *dev)
 {
 	struct i2c_client *pm2xxx_i2c_client = to_i2c_client(dev);
 	struct pm2xxx_charger *pm2;
-	int ret = 0;
 
 	pm2 = (struct pm2xxx_charger *)i2c_get_clientdata(pm2xxx_i2c_client);
-	if (!pm2) {
-		dev_err(pm2->dev, "no pm2xxx_charger data supplied\n");
-		ret = -EINVAL;
-		return ret;
-	}
 
 	if (gpio_is_valid(pm2->lpn_pin) && gpio_get_value(pm2->lpn_pin) == 0)
 		set_lpn_pin(pm2);
 
-	return ret;
+	return 0;
 }
 
 #endif
--
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