drivers/rtc/rtc-vt8500.c: convert to use devm_kzalloc
Replace the kzalloc() and kfree() calls with devm_kzalloc().
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexey Charkov <alchark@gmail.com>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index 07bf193..14e2d8c 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -210,7 +210,8 @@
struct vt8500_rtc *vt8500_rtc;
int ret;
- vt8500_rtc = kzalloc(sizeof(struct vt8500_rtc), GFP_KERNEL);
+ vt8500_rtc = devm_kzalloc(&pdev->dev,
+ sizeof(struct vt8500_rtc), GFP_KERNEL);
if (!vt8500_rtc)
return -ENOMEM;
@@ -220,15 +221,13 @@
vt8500_rtc->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!vt8500_rtc->res) {
dev_err(&pdev->dev, "No I/O memory resource defined\n");
- ret = -ENXIO;
- goto err_free;
+ return -ENXIO;
}
vt8500_rtc->irq_alarm = platform_get_irq(pdev, 0);
if (vt8500_rtc->irq_alarm < 0) {
dev_err(&pdev->dev, "No alarm IRQ resource defined\n");
- ret = -ENXIO;
- goto err_free;
+ return -ENXIO;
}
vt8500_rtc->res = request_mem_region(vt8500_rtc->res->start,
@@ -236,8 +235,7 @@
"vt8500-rtc");
if (vt8500_rtc->res == NULL) {
dev_err(&pdev->dev, "failed to request I/O memory\n");
- ret = -EBUSY;
- goto err_free;
+ return -EBUSY;
}
vt8500_rtc->regbase = ioremap(vt8500_rtc->res->start,
@@ -278,8 +276,6 @@
err_release:
release_mem_region(vt8500_rtc->res->start,
resource_size(vt8500_rtc->res));
-err_free:
- kfree(vt8500_rtc);
return ret;
}
@@ -297,7 +293,6 @@
release_mem_region(vt8500_rtc->res->start,
resource_size(vt8500_rtc->res));
- kfree(vt8500_rtc);
platform_set_drvdata(pdev, NULL);
return 0;