Commit 194ced7a authored by Max Kellermann's avatar Max Kellermann Committed by Mauro Carvalho Chehab

[media] dvb_frontend: tuner_ops.release returns void

It is not clear what this return value means.  All implemenations
return 0, and the one caller ignores the value.  Let's remove this
useless return value completely.
Signed-off-by: default avatarMax Kellermann <max.kellermann@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 22a613e8
...@@ -174,12 +174,11 @@ static bool has_get_frontend(struct dvb_frontend *fe) ...@@ -174,12 +174,11 @@ static bool has_get_frontend(struct dvb_frontend *fe)
return fe->ops.get_frontend != NULL; return fe->ops.get_frontend != NULL;
} }
int void
dvb_tuner_simple_release(struct dvb_frontend *fe) dvb_tuner_simple_release(struct dvb_frontend *fe)
{ {
kfree(fe->tuner_priv); kfree(fe->tuner_priv);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
EXPORT_SYMBOL(dvb_tuner_simple_release); EXPORT_SYMBOL(dvb_tuner_simple_release);
......
...@@ -225,7 +225,7 @@ struct dvb_tuner_ops { ...@@ -225,7 +225,7 @@ struct dvb_tuner_ops {
struct dvb_tuner_info info; struct dvb_tuner_info info;
int (*release)(struct dvb_frontend *fe); void (*release)(struct dvb_frontend *fe);
int (*init)(struct dvb_frontend *fe); int (*init)(struct dvb_frontend *fe);
int (*sleep)(struct dvb_frontend *fe); int (*sleep)(struct dvb_frontend *fe);
int (*suspend)(struct dvb_frontend *fe); int (*suspend)(struct dvb_frontend *fe);
...@@ -270,7 +270,7 @@ struct dvb_tuner_ops { ...@@ -270,7 +270,7 @@ struct dvb_tuner_ops {
* A common default implementation for dvb_tuner_ops.release. All it * A common default implementation for dvb_tuner_ops.release. All it
* does is kfree() the tuner_priv and assign NULL to it. * does is kfree() the tuner_priv and assign NULL to it.
*/ */
int void
dvb_tuner_simple_release(struct dvb_frontend *fe); dvb_tuner_simple_release(struct dvb_frontend *fe);
/** /**
......
...@@ -254,14 +254,13 @@ static int ascot2e_init(struct dvb_frontend *fe) ...@@ -254,14 +254,13 @@ static int ascot2e_init(struct dvb_frontend *fe)
return ascot2e_leave_power_save(priv); return ascot2e_leave_power_save(priv);
} }
static int ascot2e_release(struct dvb_frontend *fe) static void ascot2e_release(struct dvb_frontend *fe)
{ {
struct ascot2e_priv *priv = fe->tuner_priv; struct ascot2e_priv *priv = fe->tuner_priv;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__); dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
kfree(fe->tuner_priv); kfree(fe->tuner_priv);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static int ascot2e_sleep(struct dvb_frontend *fe) static int ascot2e_sleep(struct dvb_frontend *fe)
......
...@@ -527,13 +527,12 @@ static int cx24113_get_frequency(struct dvb_frontend *fe, u32 *frequency) ...@@ -527,13 +527,12 @@ static int cx24113_get_frequency(struct dvb_frontend *fe, u32 *frequency)
return 0; return 0;
} }
static int cx24113_release(struct dvb_frontend *fe) static void cx24113_release(struct dvb_frontend *fe)
{ {
struct cx24113_state *state = fe->tuner_priv; struct cx24113_state *state = fe->tuner_priv;
dprintk("\n"); dprintk("\n");
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
kfree(state); kfree(state);
return 0;
} }
static const struct dvb_tuner_ops cx24113_tuner_ops = { static const struct dvb_tuner_ops cx24113_tuner_ops = {
......
...@@ -434,14 +434,13 @@ static int helene_init(struct dvb_frontend *fe) ...@@ -434,14 +434,13 @@ static int helene_init(struct dvb_frontend *fe)
return helene_leave_power_save(priv); return helene_leave_power_save(priv);
} }
static int helene_release(struct dvb_frontend *fe) static void helene_release(struct dvb_frontend *fe)
{ {
struct helene_priv *priv = fe->tuner_priv; struct helene_priv *priv = fe->tuner_priv;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__); dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
kfree(fe->tuner_priv); kfree(fe->tuner_priv);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static int helene_sleep(struct dvb_frontend *fe) static int helene_sleep(struct dvb_frontend *fe)
......
...@@ -151,14 +151,13 @@ static int horus3a_init(struct dvb_frontend *fe) ...@@ -151,14 +151,13 @@ static int horus3a_init(struct dvb_frontend *fe)
return 0; return 0;
} }
static int horus3a_release(struct dvb_frontend *fe) static void horus3a_release(struct dvb_frontend *fe)
{ {
struct horus3a_priv *priv = fe->tuner_priv; struct horus3a_priv *priv = fe->tuner_priv;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__); dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
kfree(fe->tuner_priv); kfree(fe->tuner_priv);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static int horus3a_sleep(struct dvb_frontend *fe) static int horus3a_sleep(struct dvb_frontend *fe)
......
...@@ -56,7 +56,7 @@ struct ts2020_reg_val { ...@@ -56,7 +56,7 @@ struct ts2020_reg_val {
static void ts2020_stat_work(struct work_struct *work); static void ts2020_stat_work(struct work_struct *work);
static int ts2020_release(struct dvb_frontend *fe) static void ts2020_release(struct dvb_frontend *fe)
{ {
struct ts2020_priv *priv = fe->tuner_priv; struct ts2020_priv *priv = fe->tuner_priv;
struct i2c_client *client = priv->client; struct i2c_client *client = priv->client;
...@@ -64,7 +64,6 @@ static int ts2020_release(struct dvb_frontend *fe) ...@@ -64,7 +64,6 @@ static int ts2020_release(struct dvb_frontend *fe)
dev_dbg(&client->dev, "\n"); dev_dbg(&client->dev, "\n");
i2c_unregister_device(client); i2c_unregister_device(client);
return 0;
} }
static int ts2020_sleep(struct dvb_frontend *fe) static int ts2020_sleep(struct dvb_frontend *fe)
......
...@@ -244,14 +244,13 @@ static int zl10039_set_params(struct dvb_frontend *fe) ...@@ -244,14 +244,13 @@ static int zl10039_set_params(struct dvb_frontend *fe)
return ret; return ret;
} }
static int zl10039_release(struct dvb_frontend *fe) static void zl10039_release(struct dvb_frontend *fe)
{ {
struct zl10039_state *state = fe->tuner_priv; struct zl10039_state *state = fe->tuner_priv;
dprintk("%s\n", __func__); dprintk("%s\n", __func__);
kfree(state); kfree(state);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static const struct dvb_tuner_ops zl10039_ops = { static const struct dvb_tuner_ops zl10039_ops = {
......
...@@ -370,15 +370,13 @@ static int max2165_init(struct dvb_frontend *fe) ...@@ -370,15 +370,13 @@ static int max2165_init(struct dvb_frontend *fe)
return 0; return 0;
} }
static int max2165_release(struct dvb_frontend *fe) static void max2165_release(struct dvb_frontend *fe)
{ {
struct max2165_priv *priv = fe->tuner_priv; struct max2165_priv *priv = fe->tuner_priv;
dprintk("%s()\n", __func__); dprintk("%s()\n", __func__);
kfree(priv); kfree(priv);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static const struct dvb_tuner_ops max2165_tuner_ops = { static const struct dvb_tuner_ops max2165_tuner_ops = {
......
...@@ -2019,7 +2019,7 @@ static int mt2063_get_status(struct dvb_frontend *fe, u32 *tuner_status) ...@@ -2019,7 +2019,7 @@ static int mt2063_get_status(struct dvb_frontend *fe, u32 *tuner_status)
return 0; return 0;
} }
static int mt2063_release(struct dvb_frontend *fe) static void mt2063_release(struct dvb_frontend *fe)
{ {
struct mt2063_state *state = fe->tuner_priv; struct mt2063_state *state = fe->tuner_priv;
...@@ -2027,8 +2027,6 @@ static int mt2063_release(struct dvb_frontend *fe) ...@@ -2027,8 +2027,6 @@ static int mt2063_release(struct dvb_frontend *fe)
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
kfree(state); kfree(state);
return 0;
} }
static int mt2063_set_analog_params(struct dvb_frontend *fe, static int mt2063_set_analog_params(struct dvb_frontend *fe,
......
...@@ -230,12 +230,11 @@ static int mt2131_init(struct dvb_frontend *fe) ...@@ -230,12 +230,11 @@ static int mt2131_init(struct dvb_frontend *fe)
return ret; return ret;
} }
static int mt2131_release(struct dvb_frontend *fe) static void mt2131_release(struct dvb_frontend *fe)
{ {
dprintk(1, "%s()\n", __func__); dprintk(1, "%s()\n", __func__);
kfree(fe->tuner_priv); kfree(fe->tuner_priv);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static const struct dvb_tuner_ops mt2131_tuner_ops = { static const struct dvb_tuner_ops mt2131_tuner_ops = {
......
...@@ -4063,12 +4063,11 @@ static int mxl5005s_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) ...@@ -4063,12 +4063,11 @@ static int mxl5005s_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
return 0; return 0;
} }
static int mxl5005s_release(struct dvb_frontend *fe) static void mxl5005s_release(struct dvb_frontend *fe)
{ {
dprintk(1, "%s()\n", __func__); dprintk(1, "%s()\n", __func__);
kfree(fe->tuner_priv); kfree(fe->tuner_priv);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static const struct dvb_tuner_ops mxl5005s_tuner_ops = { static const struct dvb_tuner_ops mxl5005s_tuner_ops = {
......
...@@ -776,7 +776,7 @@ static int mxl5007t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) ...@@ -776,7 +776,7 @@ static int mxl5007t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
return 0; return 0;
} }
static int mxl5007t_release(struct dvb_frontend *fe) static void mxl5007t_release(struct dvb_frontend *fe)
{ {
struct mxl5007t_state *state = fe->tuner_priv; struct mxl5007t_state *state = fe->tuner_priv;
...@@ -788,8 +788,6 @@ static int mxl5007t_release(struct dvb_frontend *fe) ...@@ -788,8 +788,6 @@ static int mxl5007t_release(struct dvb_frontend *fe)
mutex_unlock(&mxl5007t_list_mutex); mutex_unlock(&mxl5007t_list_mutex);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
......
...@@ -2286,7 +2286,7 @@ static int r820t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) ...@@ -2286,7 +2286,7 @@ static int r820t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
return 0; return 0;
} }
static int r820t_release(struct dvb_frontend *fe) static void r820t_release(struct dvb_frontend *fe)
{ {
struct r820t_priv *priv = fe->tuner_priv; struct r820t_priv *priv = fe->tuner_priv;
...@@ -2300,8 +2300,6 @@ static int r820t_release(struct dvb_frontend *fe) ...@@ -2300,8 +2300,6 @@ static int r820t_release(struct dvb_frontend *fe)
mutex_unlock(&r820t_list_mutex); mutex_unlock(&r820t_list_mutex);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static const struct dvb_tuner_ops r820t_tuner_ops = { static const struct dvb_tuner_ops r820t_tuner_ops = {
......
...@@ -1048,7 +1048,7 @@ static int tda18271_set_analog_params(struct dvb_frontend *fe, ...@@ -1048,7 +1048,7 @@ static int tda18271_set_analog_params(struct dvb_frontend *fe,
return ret; return ret;
} }
static int tda18271_release(struct dvb_frontend *fe) static void tda18271_release(struct dvb_frontend *fe)
{ {
struct tda18271_priv *priv = fe->tuner_priv; struct tda18271_priv *priv = fe->tuner_priv;
...@@ -1060,8 +1060,6 @@ static int tda18271_release(struct dvb_frontend *fe) ...@@ -1060,8 +1060,6 @@ static int tda18271_release(struct dvb_frontend *fe)
mutex_unlock(&tda18271_list_mutex); mutex_unlock(&tda18271_list_mutex);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency)
......
...@@ -1001,7 +1001,7 @@ static int simple_sleep(struct dvb_frontend *fe) ...@@ -1001,7 +1001,7 @@ static int simple_sleep(struct dvb_frontend *fe)
return 0; return 0;
} }
static int simple_release(struct dvb_frontend *fe) static void simple_release(struct dvb_frontend *fe)
{ {
struct tuner_simple_priv *priv = fe->tuner_priv; struct tuner_simple_priv *priv = fe->tuner_priv;
...@@ -1013,8 +1013,6 @@ static int simple_release(struct dvb_frontend *fe) ...@@ -1013,8 +1013,6 @@ static int simple_release(struct dvb_frontend *fe)
mutex_unlock(&tuner_simple_list_mutex); mutex_unlock(&tuner_simple_list_mutex);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency) static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
......
...@@ -1321,7 +1321,7 @@ static int xc2028_sleep(struct dvb_frontend *fe) ...@@ -1321,7 +1321,7 @@ static int xc2028_sleep(struct dvb_frontend *fe)
return rc; return rc;
} }
static int xc2028_dvb_release(struct dvb_frontend *fe) static void xc2028_dvb_release(struct dvb_frontend *fe)
{ {
struct xc2028_data *priv = fe->tuner_priv; struct xc2028_data *priv = fe->tuner_priv;
...@@ -1342,8 +1342,6 @@ static int xc2028_dvb_release(struct dvb_frontend *fe) ...@@ -1342,8 +1342,6 @@ static int xc2028_dvb_release(struct dvb_frontend *fe)
mutex_unlock(&xc2028_list_mutex); mutex_unlock(&xc2028_list_mutex);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency)
......
...@@ -1618,7 +1618,7 @@ static int xc4000_init(struct dvb_frontend *fe) ...@@ -1618,7 +1618,7 @@ static int xc4000_init(struct dvb_frontend *fe)
return 0; return 0;
} }
static int xc4000_release(struct dvb_frontend *fe) static void xc4000_release(struct dvb_frontend *fe)
{ {
struct xc4000_priv *priv = fe->tuner_priv; struct xc4000_priv *priv = fe->tuner_priv;
...@@ -1632,8 +1632,6 @@ static int xc4000_release(struct dvb_frontend *fe) ...@@ -1632,8 +1632,6 @@ static int xc4000_release(struct dvb_frontend *fe)
mutex_unlock(&xc4000_list_mutex); mutex_unlock(&xc4000_list_mutex);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static const struct dvb_tuner_ops xc4000_tuner_ops = { static const struct dvb_tuner_ops xc4000_tuner_ops = {
......
...@@ -1326,7 +1326,7 @@ static int xc5000_init(struct dvb_frontend *fe) ...@@ -1326,7 +1326,7 @@ static int xc5000_init(struct dvb_frontend *fe)
return 0; return 0;
} }
static int xc5000_release(struct dvb_frontend *fe) static void xc5000_release(struct dvb_frontend *fe)
{ {
struct xc5000_priv *priv = fe->tuner_priv; struct xc5000_priv *priv = fe->tuner_priv;
...@@ -1346,8 +1346,6 @@ static int xc5000_release(struct dvb_frontend *fe) ...@@ -1346,8 +1346,6 @@ static int xc5000_release(struct dvb_frontend *fe)
mutex_unlock(&xc5000_list_mutex); mutex_unlock(&xc5000_list_mutex);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg) static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
......
...@@ -455,13 +455,12 @@ static int mxl111sf_tuner_get_if_frequency(struct dvb_frontend *fe, ...@@ -455,13 +455,12 @@ static int mxl111sf_tuner_get_if_frequency(struct dvb_frontend *fe,
return 0; return 0;
} }
static int mxl111sf_tuner_release(struct dvb_frontend *fe) static void mxl111sf_tuner_release(struct dvb_frontend *fe)
{ {
struct mxl111sf_tuner_state *state = fe->tuner_priv; struct mxl111sf_tuner_state *state = fe->tuner_priv;
mxl_dbg("()"); mxl_dbg("()");
kfree(state); kfree(state);
fe->tuner_priv = NULL; fe->tuner_priv = NULL;
return 0;
} }
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
......
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