From: Jingoo Han <jg1.han@samsung.com>
Date: Tue, 30 Apr 2013 05:01:59 +0000 (+0900)
Subject: watchdog: riowd: use devm_kzalloc()
X-Git-Tag: firefly_0821_release~176^2~5702^2~31
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a508e2e634f9ea462c3beb56e12aa50ba9e8b0a9;p=firefly-linux-kernel-4.4.55.git

watchdog: riowd: use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---

diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
index 0040451aec1d..13363adc364f 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -183,7 +183,7 @@ static int riowd_probe(struct platform_device *op)
 		goto out;
 
 	err = -ENOMEM;
-	p = kzalloc(sizeof(*p), GFP_KERNEL);
+	p = devm_kzalloc(&op->dev, sizeof(*p), GFP_KERNEL);
 	if (!p)
 		goto out;
 
@@ -192,7 +192,7 @@ static int riowd_probe(struct platform_device *op)
 	p->regs = of_ioremap(&op->resource[0], 0, 2, DRIVER_NAME);
 	if (!p->regs) {
 		pr_err("Cannot map registers\n");
-		goto out_free;
+		goto out;
 	}
 	/* Make miscdev useable right away */
 	riowd_device = p;
@@ -213,9 +213,6 @@ out_iounmap:
 	riowd_device = NULL;
 	of_iounmap(&op->resource[0], p->regs, 2);
 
-out_free:
-	kfree(p);
-
 out:
 	return err;
 }
@@ -226,7 +223,6 @@ static int riowd_remove(struct platform_device *op)
 
 	misc_deregister(&riowd_miscdev);
 	of_iounmap(&op->resource[0], p->regs, 2);
-	kfree(p);
 
 	return 0;
 }