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-rw-r--r--drivers/media/dvb-frontends/Kconfig6
-rw-r--r--drivers/media/dvb-frontends/as102_fe.c7
-rw-r--r--drivers/media/dvb-frontends/cx24113.c10
-rw-r--r--drivers/media/dvb-frontends/cx24116.c22
-rw-r--r--drivers/media/dvb-frontends/drxd_hard.c9
-rw-r--r--drivers/media/dvb-frontends/ds3000.c22
-rw-r--r--drivers/media/dvb-frontends/lg2160.c14
-rw-r--r--drivers/media/dvb-frontends/lgdt3306a.c3
-rw-r--r--drivers/media/dvb-frontends/mb86a20s.c23
-rw-r--r--drivers/media/dvb-frontends/mxl5xx.c2
-rw-r--r--drivers/media/dvb-frontends/si2168.c1
-rw-r--r--drivers/media/dvb-frontends/sp2.c9
-rw-r--r--drivers/media/dvb-frontends/stv0288.c7
-rw-r--r--drivers/media/dvb-frontends/stv6110.c9
14 files changed, 43 insertions, 101 deletions
diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig
index 2631d0e0a024..d17722eb4456 100644
--- a/drivers/media/dvb-frontends/Kconfig
+++ b/drivers/media/dvb-frontends/Kconfig
@@ -173,7 +173,7 @@ config DVB_STB6000
tristate "ST STB6000 silicon tuner"
depends on DVB_CORE && I2C
default m if !MEDIA_SUBDRV_AUTOSELECT
- help
+ help
A DVB-S silicon tuner module. Say Y when you want to support this tuner.
config DVB_STV0299
@@ -187,7 +187,7 @@ config DVB_STV6110
tristate "ST STV6110 silicon tuner"
depends on DVB_CORE && I2C
default m if !MEDIA_SUBDRV_AUTOSELECT
- help
+ help
A DVB-S silicon tuner module. Say Y when you want to support this tuner.
config DVB_STV0900
@@ -902,7 +902,7 @@ config DVB_HELENE
depends on DVB_CORE && I2C
default m if !MEDIA_SUBDRV_AUTOSELECT
help
- Say Y when you want to support this frontend.
+ Say Y when you want to support this frontend.
comment "Tools to develop new frontends"
diff --git a/drivers/media/dvb-frontends/as102_fe.c b/drivers/media/dvb-frontends/as102_fe.c
index 98d575f2744c..b1c84ee914f0 100644
--- a/drivers/media/dvb-frontends/as102_fe.c
+++ b/drivers/media/dvb-frontends/as102_fe.c
@@ -455,11 +455,10 @@ struct dvb_frontend *as102_attach(const char *name,
struct as102_state *state;
struct dvb_frontend *fe;
- state = kzalloc(sizeof(struct as102_state), GFP_KERNEL);
- if (state == NULL) {
- pr_err("%s: unable to allocate memory for state\n", __func__);
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state)
return NULL;
- }
+
fe = &state->frontend;
fe->demodulator_priv = state;
state->ops = ops;
diff --git a/drivers/media/dvb-frontends/cx24113.c b/drivers/media/dvb-frontends/cx24113.c
index 0118c2658cf7..ee1f704f81f2 100644
--- a/drivers/media/dvb-frontends/cx24113.c
+++ b/drivers/media/dvb-frontends/cx24113.c
@@ -552,13 +552,11 @@ struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
const struct cx24113_config *config, struct i2c_adapter *i2c)
{
/* allocate memory for the internal state */
- struct cx24113_state *state =
- kzalloc(sizeof(struct cx24113_state), GFP_KERNEL);
+ struct cx24113_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
int rc;
- if (state == NULL) {
- cx_err("Unable to kzalloc\n");
- goto error;
- }
+
+ if (!state)
+ return NULL;
/* setup the state */
state->config = config;
diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c
index e105532bfba8..8fb3f095e21c 100644
--- a/drivers/media/dvb-frontends/cx24116.c
+++ b/drivers/media/dvb-frontends/cx24116.c
@@ -221,16 +221,13 @@ static int cx24116_writereg(struct cx24116_state *state, int reg, int data)
static int cx24116_writeregN(struct cx24116_state *state, int reg,
const u8 *data, u16 len)
{
- int ret = -EREMOTEIO;
+ int ret;
struct i2c_msg msg;
u8 *buf;
buf = kmalloc(len + 1, GFP_KERNEL);
- if (buf == NULL) {
- printk("Unable to kmalloc\n");
- ret = -ENOMEM;
- goto error;
- }
+ if (!buf)
+ return -ENOMEM;
*(buf) = reg;
memcpy(buf + 1, data, len);
@@ -251,7 +248,6 @@ static int cx24116_writeregN(struct cx24116_state *state, int reg,
ret = -EREMOTEIO;
}
-error:
kfree(buf);
return ret;
@@ -1121,15 +1117,15 @@ static const struct dvb_frontend_ops cx24116_ops;
struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
struct i2c_adapter *i2c)
{
- struct cx24116_state *state = NULL;
+ struct cx24116_state *state;
int ret;
dprintk("%s\n", __func__);
/* allocate memory for the internal state */
- state = kzalloc(sizeof(struct cx24116_state), GFP_KERNEL);
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
if (state == NULL)
- goto error1;
+ return NULL;
state->config = config;
state->i2c = i2c;
@@ -1138,8 +1134,9 @@ struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
ret = (cx24116_readreg(state, 0xFF) << 8) |
cx24116_readreg(state, 0xFE);
if (ret != 0x0501) {
+ kfree(state);
printk(KERN_INFO "Invalid probe, probably not a CX24116 device\n");
- goto error2;
+ return NULL;
}
/* create dvb_frontend */
@@ -1147,9 +1144,6 @@ struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
return &state->frontend;
-
-error2: kfree(state);
-error1: return NULL;
}
EXPORT_SYMBOL(cx24116_attach);
diff --git a/drivers/media/dvb-frontends/drxd_hard.c b/drivers/media/dvb-frontends/drxd_hard.c
index 7d04400b18dd..0696bc62dcc9 100644
--- a/drivers/media/dvb-frontends/drxd_hard.c
+++ b/drivers/media/dvb-frontends/drxd_hard.c
@@ -328,7 +328,7 @@ static int WriteTable(struct drxd_state *state, u8 * pTable)
{
int status = 0;
- if (pTable == NULL)
+ if (!pTable)
return 0;
while (!status) {
@@ -640,7 +640,7 @@ static int SetCfgIfAgc(struct drxd_state *state, struct SCfgAgc *cfg)
const u16 maxRur = 8;
static const u16 slowIncrDecLUT[] = {
3, 4, 4, 5, 6 };
- const u16 fastIncrDecLUT[] = {
+ static const u16 fastIncrDecLUT[] = {
14, 15, 15, 16,
17, 18, 18, 19,
20, 21, 22, 23,
@@ -909,9 +909,8 @@ static int load_firmware(struct drxd_state *state, const char *fw_name)
}
state->microcode = kmemdup(fw->data, fw->size, GFP_KERNEL);
- if (state->microcode == NULL) {
+ if (!state->microcode) {
release_firmware(fw);
- printk(KERN_ERR "drxd: firmware load failure: no memory\n");
return -ENOMEM;
}
@@ -2630,7 +2629,7 @@ static int DRXD_init(struct drxd_state *state, const u8 *fw, u32 fw_size)
break;
/* Apply I2c address patch to B1 */
- if (!state->type_A && state->m_HiI2cPatch != NULL) {
+ if (!state->type_A && state->m_HiI2cPatch) {
status = WriteTable(state, state->m_HiI2cPatch);
if (status < 0)
break;
diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c
index 0b17a45c5640..bd4f8278c906 100644
--- a/drivers/media/dvb-frontends/ds3000.c
+++ b/drivers/media/dvb-frontends/ds3000.c
@@ -277,10 +277,8 @@ static int ds3000_writeFW(struct ds3000_state *state, int reg,
u8 *buf;
buf = kmalloc(33, GFP_KERNEL);
- if (buf == NULL) {
- printk(KERN_ERR "Unable to kmalloc\n");
+ if (!buf)
return -ENOMEM;
- }
*(buf) = reg;
@@ -835,17 +833,15 @@ static const struct dvb_frontend_ops ds3000_ops;
struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
struct i2c_adapter *i2c)
{
- struct ds3000_state *state = NULL;
+ struct ds3000_state *state;
int ret;
dprintk("%s\n", __func__);
/* allocate memory for the internal state */
- state = kzalloc(sizeof(struct ds3000_state), GFP_KERNEL);
- if (state == NULL) {
- printk(KERN_ERR "Unable to kmalloc\n");
- goto error2;
- }
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state)
+ return NULL;
state->config = config;
state->i2c = i2c;
@@ -854,8 +850,9 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
/* check if the demod is present */
ret = ds3000_readreg(state, 0x00) & 0xfe;
if (ret != 0xe0) {
+ kfree(state);
printk(KERN_ERR "Invalid probe, probably not a DS3000\n");
- goto error3;
+ return NULL;
}
printk(KERN_INFO "DS3000 chip version: %d.%d attached.\n",
@@ -873,11 +870,6 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
*/
ds3000_set_voltage(&state->frontend, SEC_VOLTAGE_OFF);
return &state->frontend;
-
-error3:
- kfree(state);
-error2:
- return NULL;
}
EXPORT_SYMBOL(ds3000_attach);
diff --git a/drivers/media/dvb-frontends/lg2160.c b/drivers/media/dvb-frontends/lg2160.c
index 5798079add10..9854096839ae 100644
--- a/drivers/media/dvb-frontends/lg2160.c
+++ b/drivers/media/dvb-frontends/lg2160.c
@@ -1048,16 +1048,6 @@ fail:
return ret;
}
-static int lg216x_get_property(struct dvb_frontend *fe,
- struct dtv_property *tvp)
-{
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-
- return (DTV_ATSCMH_FIC_VER == tvp->cmd) ?
- lg216x_get_frontend(fe, c) : 0;
-}
-
-
static int lg2160_set_frontend(struct dvb_frontend *fe)
{
struct lg216x_state *state = fe->demodulator_priv;
@@ -1368,8 +1358,6 @@ static const struct dvb_frontend_ops lg2160_ops = {
.init = lg216x_init,
.sleep = lg216x_sleep,
#endif
- .get_property = lg216x_get_property,
-
.set_frontend = lg2160_set_frontend,
.get_frontend = lg216x_get_frontend,
.get_tune_settings = lg216x_get_tune_settings,
@@ -1396,8 +1384,6 @@ static const struct dvb_frontend_ops lg2161_ops = {
.init = lg216x_init,
.sleep = lg216x_sleep,
#endif
- .get_property = lg216x_get_property,
-
.set_frontend = lg2160_set_frontend,
.get_frontend = lg216x_get_frontend,
.get_tune_settings = lg216x_get_tune_settings,
diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c
index c9b1eb38444e..724e9aac0f11 100644
--- a/drivers/media/dvb-frontends/lgdt3306a.c
+++ b/drivers/media/dvb-frontends/lgdt3306a.c
@@ -19,6 +19,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <asm/div64.h>
+#include <linux/kernel.h>
#include <linux/dvb/frontend.h>
#include "dvb_math.h"
#include "lgdt3306a.h"
@@ -2072,7 +2073,7 @@ static const short regtab[] = {
0x30aa, /* MPEGLOCK */
};
-#define numDumpRegs (sizeof(regtab)/sizeof(regtab[0]))
+#define numDumpRegs (ARRAY_SIZE(regtab))
static u8 regval1[numDumpRegs] = {0, };
static u8 regval2[numDumpRegs] = {0, };
diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index e8ac8c3e2ec0..bdaf9d235fed 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -2071,12 +2071,9 @@ struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
dev_dbg(&i2c->dev, "%s called.\n", __func__);
/* allocate memory for the internal state */
- state = kzalloc(sizeof(struct mb86a20s_state), GFP_KERNEL);
- if (state == NULL) {
- dev_err(&i2c->dev,
- "%s: unable to allocate memory for state\n", __func__);
- goto error;
- }
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state)
+ return NULL;
/* setup the state */
state->config = config;
@@ -2089,22 +2086,16 @@ struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
/* Check if it is a mb86a20s frontend */
rev = mb86a20s_readreg(state, 0);
-
- if (rev == 0x13) {
- dev_info(&i2c->dev,
- "Detected a Fujitsu mb86a20s frontend\n");
- } else {
+ if (rev != 0x13) {
+ kfree(state);
dev_dbg(&i2c->dev,
"Frontend revision %d is unknown - aborting.\n",
rev);
- goto error;
+ return NULL;
}
+ dev_info(&i2c->dev, "Detected a Fujitsu mb86a20s frontend\n");
return &state->frontend;
-
-error:
- kfree(state);
- return NULL;
}
EXPORT_SYMBOL(mb86a20s_attach);
diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c
index 676c96c216c3..53064e11f5f1 100644
--- a/drivers/media/dvb-frontends/mxl5xx.c
+++ b/drivers/media/dvb-frontends/mxl5xx.c
@@ -43,7 +43,7 @@
#define BYTE2(v) ((v >> 16) & 0xff)
#define BYTE3(v) ((v >> 24) & 0xff)
-LIST_HEAD(mxllist);
+static LIST_HEAD(mxllist);
struct mxl_base {
struct list_head mxllist;
diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index 172fc367ccaa..41d9c513b7e8 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -696,7 +696,6 @@ static int si2168_probe(struct i2c_client *client,
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
ret = -ENOMEM;
- dev_err(&client->dev, "kzalloc() failed\n");
goto err;
}
diff --git a/drivers/media/dvb-frontends/sp2.c b/drivers/media/dvb-frontends/sp2.c
index 43d47dfcc7b8..53e66c232d3c 100644
--- a/drivers/media/dvb-frontends/sp2.c
+++ b/drivers/media/dvb-frontends/sp2.c
@@ -357,14 +357,14 @@ static int sp2_exit(struct i2c_client *client)
dev_dbg(&client->dev, "\n");
- if (client == NULL)
+ if (!client)
return 0;
s = i2c_get_clientdata(client);
- if (s == NULL)
+ if (!s)
return 0;
- if (s->ca.data == NULL)
+ if (!s->ca.data)
return 0;
dvb_ca_en50221_release(&s->ca);
@@ -381,10 +381,9 @@ static int sp2_probe(struct i2c_client *client,
dev_dbg(&client->dev, "\n");
- s = kzalloc(sizeof(struct sp2), GFP_KERNEL);
+ s = kzalloc(sizeof(*s), GFP_KERNEL);
if (!s) {
ret = -ENOMEM;
- dev_err(&client->dev, "kzalloc() failed\n");
goto err;
}
diff --git a/drivers/media/dvb-frontends/stv0288.c b/drivers/media/dvb-frontends/stv0288.c
index 45cbc898ad25..67f91814b9f7 100644
--- a/drivers/media/dvb-frontends/stv0288.c
+++ b/drivers/media/dvb-frontends/stv0288.c
@@ -447,12 +447,6 @@ static int stv0288_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
return 0;
}
-static int stv0288_set_property(struct dvb_frontend *fe, struct dtv_property *p)
-{
- dprintk("%s(..)\n", __func__);
- return 0;
-}
-
static int stv0288_set_frontend(struct dvb_frontend *fe)
{
struct stv0288_state *state = fe->demodulator_priv;
@@ -567,7 +561,6 @@ static const struct dvb_frontend_ops stv0288_ops = {
.set_tone = stv0288_set_tone,
.set_voltage = stv0288_set_voltage,
- .set_property = stv0288_set_property,
.set_frontend = stv0288_set_frontend,
};
diff --git a/drivers/media/dvb-frontends/stv6110.c b/drivers/media/dvb-frontends/stv6110.c
index e4fd9c1b0560..6aad0efa3174 100644
--- a/drivers/media/dvb-frontends/stv6110.c
+++ b/drivers/media/dvb-frontends/stv6110.c
@@ -258,11 +258,9 @@ static int stv6110_get_frequency(struct dvb_frontend *fe, u32 *frequency)
static int stv6110_set_frequency(struct dvb_frontend *fe, u32 frequency)
{
struct stv6110_priv *priv = fe->tuner_priv;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
u8 ret = 0x04;
u32 divider, ref, p, presc, i, result_freq, vco_freq;
s32 p_calc, p_calc_opt = 1000, r_div, r_div_opt = 0, p_val;
- s32 srate;
dprintk("%s, freq=%d kHz, mclk=%d Hz\n", __func__,
frequency, priv->mclk);
@@ -273,13 +271,6 @@ static int stv6110_set_frequency(struct dvb_frontend *fe, u32 frequency)
((((priv->mclk / 1000000) - 16) & 0x1f) << 3);
/* BB_GAIN = db/2 */
- if (fe->ops.set_property && fe->ops.get_property) {
- srate = c->symbol_rate;
- dprintk("%s: Get Frontend parameters: srate=%d\n",
- __func__, srate);
- } else
- srate = 15000000;
-
priv->regs[RSTV6110_CTRL2] &= ~0x0f;
priv->regs[RSTV6110_CTRL2] |= (priv->gain & 0x0f);