[media] mem2mem_testdev: Use devm_kzalloc() in probe
devm_kzalloc() makes error handling and cleanup simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/platform/mem2mem_testdev.c b/drivers/media/platform/mem2mem_testdev.c
index 7627335..2e2121e 100644
--- a/drivers/media/platform/mem2mem_testdev.c
+++ b/drivers/media/platform/mem2mem_testdev.c
@@ -1019,7 +1019,7 @@
struct video_device *vfd;
int ret;
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
@@ -1027,7 +1027,7 @@
ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
if (ret)
- goto free_dev;
+ return ret;
atomic_set(&dev->num_inst, 0);
mutex_init(&dev->dev_mutex);
@@ -1073,8 +1073,6 @@
video_device_release(vfd);
unreg_dev:
v4l2_device_unregister(&dev->v4l2_dev);
-free_dev:
- kfree(dev);
return ret;
}
@@ -1089,7 +1087,6 @@
del_timer_sync(&dev->timer);
video_unregister_device(dev->vfd);
v4l2_device_unregister(&dev->v4l2_dev);
- kfree(dev);
return 0;
}