[media] saa6752hs: Convert to devm_kzalloc()

Using the managed function the kfree() calls can be removed from the
probe error path and the remove handler.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/i2c/saa6752hs.c b/drivers/media/i2c/saa6752hs.c
index 04e9e55018a5044ff194f4d72f3bc01314ff75c4..4024ea6f1371ad48c1bd744a8a662bd545c53eb1 100644 (file)
--- a/drivers/media/i2c/saa6752hs.c
+++ b/drivers/media/i2c/saa6752hs.c
@@ -660,7 +660,7 @@ static const struct v4l2_subdev_ops saa6752hs_ops = {
 static int saa6752hs_probe(struct i2c_client *client,
                const struct i2c_device_id *id)
 {
-       struct saa6752hs_state *h = kzalloc(sizeof(*h), GFP_KERNEL);
+       struct saa6752hs_state *h;
        struct v4l2_subdev *sd;
        struct v4l2_ctrl_handler *hdl;
        u8 addr = 0x13;
@@ -668,6 +668,8 @@ static int saa6752hs_probe(struct i2c_client *client,
 
        v4l_info(client, "chip found @ 0x%x (%s)\n",
                        client->addr << 1, client->adapter->name);
+
+       h = devm_kzalloc(&client->dev, sizeof(*h), GFP_KERNEL);
        if (h == NULL)
                return -ENOMEM;
        sd = &h->sd;
@@ -752,7 +754,6 @@ static int saa6752hs_probe(struct i2c_client *client,
                int err = hdl->error;
 
                v4l2_ctrl_handler_free(hdl);
-               kfree(h);
                return err;
        }
        v4l2_ctrl_cluster(3, &h->video_bitrate_mode);
@@ -767,7 +768,6 @@ static int saa6752hs_remove(struct i2c_client *client)
 
        v4l2_device_unregister_subdev(sd);
        v4l2_ctrl_handler_free(&to_state(sd)->hdl);
-       kfree(to_state(sd));
        return 0;
 }