1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c
index 6525743ff9fd..c323c2de236c 100644
--- a/drivers/i2c/chips/pcf8574.c
+++ b/drivers/i2c/chips/pcf8574.c
@@ -115,7 +115,7 @@ static int pcf8574_attach_adapter(struct i2c_adapter *adapter)
 }
 
 /* This function is called by i2c_probe */
-int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
+static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
 {
         struct i2c_client *new_client;
         struct pcf8574_data *data;
@@ -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);