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>

1 files changed, 2 insertions, 6 deletions

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;
 }