serial: mxs-auart: Use devm_kzalloc()
By using devm_kzalloc() we can have a shorter and cleaner code.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index a9e7fa6..0b5f0ea 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1231,7 +1231,7 @@
int ret = 0;
struct resource *r;
- s = kzalloc(sizeof(struct mxs_auart_port), GFP_KERNEL);
+ s = devm_kzalloc(&pdev->dev, sizeof(*s), GFP_KERNEL);
if (!s)
return -ENOMEM;
@@ -1239,7 +1239,7 @@
if (ret > 0)
s->port.line = pdev->id < 0 ? 0 : pdev->id;
else if (ret < 0)
- goto out_free;
+ return ret;
if (of_id) {
pdev->id_entry = of_id->data;
@@ -1247,10 +1247,8 @@
}
s->clk = clk_get(&pdev->dev, NULL);
- if (IS_ERR(s->clk)) {
- ret = PTR_ERR(s->clk);
- goto out_free;
- }
+ if (IS_ERR(s->clk))
+ return PTR_ERR(s->clk);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r) {
@@ -1310,8 +1308,6 @@
free_irq(s->irq, s);
out_free_clk:
clk_put(s->clk);
-out_free:
- kfree(s);
return ret;
}
@@ -1326,7 +1322,6 @@
mxs_auart_free_gpio_irq(s);
clk_put(s->clk);
free_irq(s->irq, s);
- kfree(s);
return 0;
}