1 files changed, 4 insertions, 18 deletions

diff --git a/drivers/media/i2c/saa717x.c b/drivers/media/i2c/saa717x.c
index 1e84466515a..6922a9f9a5c 100644
--- a/drivers/media/i2c/saa717x.c
+++ b/drivers/media/i2c/saa717x.c
@@ -977,27 +977,16 @@ static int saa717x_s_video_routing(struct v4l2_subdev *sd,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 static int saa717x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	if (!v4l2_chip_match_i2c_client(client, &reg->match))
-		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 	reg->val = saa717x_read(sd, reg->reg);
 	reg->size = 1;
 	return 0;
 }
 
-static int saa717x_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+static int saa717x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	u16 addr = reg->reg & 0xffff;
 	u8 val = reg->val & 0xff;
 
-	if (!v4l2_chip_match_i2c_client(client, &reg->match))
-		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 	saa717x_write(sd, addr, val);
 	return 0;
 }
@@ -1113,7 +1102,7 @@ static int saa717x_s_stream(struct v4l2_subdev *sd, int enable)
 }
 
 /* change audio mode */
-static int saa717x_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+static int saa717x_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt)
 {
 	struct saa717x_state *decoder = to_state(sd);
 	int audio_mode;
@@ -1209,7 +1198,6 @@ static const struct v4l2_subdev_core_ops saa717x_core_ops = {
 	.g_register = saa717x_g_register,
 	.s_register = saa717x_s_register,
 #endif
-	.s_std = saa717x_s_std,
 	.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
 	.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
 	.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
@@ -1227,6 +1215,7 @@ static const struct v4l2_subdev_tuner_ops saa717x_tuner_ops = {
 };
 
 static const struct v4l2_subdev_video_ops saa717x_video_ops = {
+	.s_std = saa717x_s_std,
 	.s_routing = saa717x_s_video_routing,
 	.s_mbus_fmt = saa717x_s_mbus_fmt,
 	.s_stream = saa717x_s_stream,
@@ -1262,7 +1251,7 @@ static int saa717x_probe(struct i2c_client *client,
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -EIO;
 
-	decoder = kzalloc(sizeof(struct saa717x_state), GFP_KERNEL);
+	decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
 	if (decoder == NULL)
 		return -ENOMEM;
 
@@ -1276,7 +1265,6 @@ static int saa717x_probe(struct i2c_client *client,
 		id = saa717x_read(sd, 0x5a0);
 	if (id != 0xc2 && id != 0x32 && id != 0xf2 && id != 0x6c) {
 		v4l2_dbg(1, debug, sd, "saa717x not found (id=%02x)\n", id);
-		kfree(decoder);
 		return -ENODEV;
 	}
 	if (id == 0xc2)
@@ -1316,7 +1304,6 @@ static int saa717x_probe(struct i2c_client *client,
 		int err = hdl->error;
 
 		v4l2_ctrl_handler_free(hdl);
-		kfree(decoder);
 		return err;
 	}
 
@@ -1353,7 +1340,6 @@ static int saa717x_remove(struct i2c_client *client)
 
 	v4l2_device_unregister_subdev(sd);
 	v4l2_ctrl_handler_free(sd->ctrl_handler);
-	kfree(to_state(sd));
 	return 0;
 }