[PATCH] i2c: kzalloc conversion, other drivers

Use kzalloc instead of kmalloc+memset in all remaining i2c bus and
chip drivers.

Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 files changed, 11 insertions, 22 deletions

diff --git a/drivers/i2c/chips/ds1337.c b/drivers/i2c/chips/ds1337.c
index 9d3175c03395..01b037007410 100644
--- a/drivers/i2c/chips/ds1337.c
+++ b/drivers/i2c/chips/ds1337.c
@@ -243,11 +243,10 @@ static int ds1337_detect(struct i2c_adapter *adapter, int address, int kind)
                                      I2C_FUNC_I2C))
                 goto exit;
 
-        if (!(data = kmalloc(sizeof(struct ds1337_data), GFP_KERNEL))) {
+        if (!(data = kzalloc(sizeof(struct ds1337_data), GFP_KERNEL))) {
                 err = -ENOMEM;
                 goto exit;
         }
-        memset(data, 0, sizeof(struct ds1337_data));
         INIT_LIST_HEAD(&data->list);
 
         /* The common I2C client data is placed right before the
diff --git a/drivers/i2c/chips/ds1374.c b/drivers/i2c/chips/ds1374.c
index ec640e9f085a..1596e6478782 100644
--- a/drivers/i2c/chips/ds1374.c
+++ b/drivers/i2c/chips/ds1374.c
@@ -193,11 +193,10 @@ static int ds1374_probe(struct i2c_adapter *adap, int addr, int kind)
         struct i2c_client *client;
         int rc;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (!client)
                 return -ENOMEM;
 
-        memset(client, 0, sizeof(struct i2c_client));
         strncpy(client->name, DS1374_DRV_NAME, I2C_NAME_SIZE);
         client->addr = addr;
         client->adapter = adap;
diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c
index 7fb739c43935..ee7cbc823fd1 100644
--- a/drivers/i2c/chips/eeprom.c
+++ b/drivers/i2c/chips/eeprom.c
@@ -171,11 +171,10 @@ int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
                                             | I2C_FUNC_SMBUS_BYTE))
                 goto exit;
 
-        if (!(data = kmalloc(sizeof(struct eeprom_data), GFP_KERNEL))) {
+        if (!(data = kzalloc(sizeof(struct eeprom_data), GFP_KERNEL))) {
                 err = -ENOMEM;
                 goto exit;
         }
-        memset(data, 0, sizeof(struct eeprom_data));
 
         new_client = &data->client;
         memset(data->data, 0xff, EEPROM_SIZE);
diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c
index 554f7ba61627..3df309ae44a6 100644
--- a/drivers/i2c/chips/m41t00.c
+++ b/drivers/i2c/chips/m41t00.c
@@ -174,11 +174,10 @@ m41t00_probe(struct i2c_adapter *adap, int addr, int kind)
         struct i2c_client *client;
         int rc;
 
-        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (!client)
                 return -ENOMEM;
 
-        memset(client, 0, sizeof(struct i2c_client));
         strncpy(client->name, M41T00_DRV_NAME, I2C_NAME_SIZE);
         client->addr = addr;
         client->adapter = adap;
diff --git a/drivers/i2c/chips/max6875.c b/drivers/i2c/chips/max6875.c
index 9e1aeb69abf9..b376a006883c 100644
--- a/drivers/i2c/chips/max6875.c
+++ b/drivers/i2c/chips/max6875.c
@@ -179,16 +179,14 @@ static int max6875_detect(struct i2c_adapter *adapter, int address, int kind)
         if (address & 1)
                 return 0;
 
-        if (!(data = kmalloc(sizeof(struct max6875_data), GFP_KERNEL)))
+        if (!(data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL)))
                 return -ENOMEM;
-        memset(data, 0, sizeof(struct max6875_data));
 
         /* A fake client is created on the odd address */
-        if (!(fake_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
+        if (!(fake_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
                 err = -ENOMEM;
                 goto exit_kfree1;
         }
-        memset(fake_client, 0, sizeof(struct i2c_client));
 
         /* Init real i2c_client */
         real_client = &data->client;
diff --git a/drivers/i2c/chips/pca9539.c b/drivers/i2c/chips/pca9539.c
index 225577fdda4d..59a930346229 100644
--- a/drivers/i2c/chips/pca9539.c
+++ b/drivers/i2c/chips/pca9539.c
@@ -122,11 +122,10 @@ static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind)
 
         /* OK. For now, we presume we have a valid client. We now create the
            client structure, even though we cannot fill it completely yet. */
-        if (!(data = kmalloc(sizeof(struct pca9539_data), GFP_KERNEL))) {
+        if (!(data = kzalloc(sizeof(struct pca9539_data), GFP_KERNEL))) {
                 err = -ENOMEM;
                 goto exit;
         }
-        memset(data, 0, sizeof(struct pca9539_data));
 
         new_client = &data->client;
         i2c_set_clientdata(new_client, data);
diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c
index 6525743ff9fd..2c2555d46fdf 100644
--- a/drivers/i2c/chips/pcf8574.c
+++ b/drivers/i2c/chips/pcf8574.c
@@ -127,11 +127,10 @@ int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
 
         /* OK. For now, we presume we have a valid client. We now create the
            client structure, even though we cannot fill it completely yet. */
-        if (!(data = kmalloc(sizeof(struct pcf8574_data), GFP_KERNEL))) {
+        if (!(data = kzalloc(sizeof(struct pcf8574_data), GFP_KERNEL))) {
                 err = -ENOMEM;
                 goto exit;
         }
-        memset(data, 0, sizeof(struct pcf8574_data));
 
         new_client = &data->client;
         i2c_set_clientdata(new_client, data);
diff --git a/drivers/i2c/chips/pcf8591.c b/drivers/i2c/chips/pcf8591.c
index 80f1df9a4500..3c815b153249 100644
--- a/drivers/i2c/chips/pcf8591.c
+++ b/drivers/i2c/chips/pcf8591.c
@@ -178,11 +178,10 @@ int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind)
 
         /* OK. For now, we presume we have a valid client. We now create the
            client structure, even though we cannot fill it completely yet. */
-        if (!(data = kmalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
+        if (!(data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
                 err = -ENOMEM;
                 goto exit;
         }
-        memset(data, 0, sizeof(struct pcf8591_data));
         
         new_client = &data->client;
         i2c_set_clientdata(new_client, data);
diff --git a/drivers/i2c/chips/rtc8564.c b/drivers/i2c/chips/rtc8564.c
index dd9d42d7b6e7..916cdc1af23c 100644
--- a/drivers/i2c/chips/rtc8564.c
+++ b/drivers/i2c/chips/rtc8564.c
@@ -148,12 +148,11 @@ static int rtc8564_attach(struct i2c_adapter *adap, int addr, int kind)
                 {addr, I2C_M_RD, 2, data}
         };
 
-        d = kmalloc(sizeof(struct rtc8564_data), GFP_KERNEL);
+        d = kzalloc(sizeof(struct rtc8564_data), GFP_KERNEL);
         if (!d) {
                 ret = -ENOMEM;
                 goto done;
         }
-        memset(d, 0, sizeof(struct rtc8564_data));
         new_client = &d->client;
 
         strlcpy(new_client->name, "RTC8564", I2C_NAME_SIZE);
diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c
index 280e9638c0f8..280dd7a45db6 100644
--- a/drivers/i2c/chips/tps65010.c
+++ b/drivers/i2c/chips/tps65010.c
@@ -500,11 +500,10 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
                 return 0;
         }
 
-        tps = kmalloc(sizeof *tps, GFP_KERNEL);
+        tps = kzalloc(sizeof *tps, GFP_KERNEL);
         if (!tps)
                 return 0;
 
-        memset(tps, 0, sizeof *tps);
         init_MUTEX(&tps->lock);
         INIT_WORK(&tps->work, tps65010_work, tps);
         tps->irq = -1;