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 0040451..13363ad 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -183,7 +183,7 @@
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 @@
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 @@
riowd_device = NULL;
of_iounmap(&op->resource[0], p->regs, 2);
-out_free:
- kfree(p);
-
out:
return err;
}
@@ -226,7 +223,6 @@
misc_deregister(&riowd_miscdev);
of_iounmap(&op->resource[0], p->regs, 2);
- kfree(p);
return 0;
}