mfd: Fix incorrect kfree(i2c) in wm8994-core i2c_driver probe

The i2c_client received in probe() should not be kfree()'d.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/wm8994-core.c

@@ -497,10 +497,8 @@ static int wm8994_i2c_probe(struct i2c_client *i2c,
 	struct wm8994 *wm8994;
 
 	wm8994 = kzalloc(sizeof(struct wm8994), GFP_KERNEL);
-	if (wm8994 == NULL) {
-		kfree(i2c);
+	if (wm8994 == NULL)
 		return -ENOMEM;
-	}
 
 	i2c_set_clientdata(i2c, wm8994);
 	wm8994->dev = &i2c->dev;