[PATCH] drivers/base/*: use kzalloc instead of kmalloc+memset

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / base / class.c

diff --git a/drivers/base/class.c b/drivers/base/class.c
index d164c32a97ad4e90426a4f1e8a244b8d5f7d93d3..3b112e3542f897e81bf881b762f3a317ecaefae4 100644 (file)
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -189,12 +189,11 @@ struct class *class_create(struct module *owner, char *name)
        struct class *cls;
        int retval;
 
-       cls = kmalloc(sizeof(struct class), GFP_KERNEL);
+       cls = kzalloc(sizeof(*cls), GFP_KERNEL);
        if (!cls) {
                retval = -ENOMEM;
                goto error;
        }
-       memset(cls, 0x00, sizeof(struct class));
 
        cls->name = name;
        cls->owner = owner;
@@ -500,13 +499,13 @@ int class_device_add(struct class_device *class_dev)
        /* add the needed attributes to this device */
        if (MAJOR(class_dev->devt)) {
                struct class_device_attribute *attr;
-               attr = kmalloc(sizeof(*attr), GFP_KERNEL);
+               attr = kzalloc(sizeof(*attr), GFP_KERNEL);
                if (!attr) {
                        error = -ENOMEM;
                        kobject_del(&class_dev->kobj);
                        goto register_done;
                }
-               memset(attr, sizeof(*attr), 0x00);
+
                attr->attr.name = "dev";
                attr->attr.mode = S_IRUGO;
                attr->attr.owner = parent->owner;
@@ -577,12 +576,11 @@ struct class_device *class_device_create(struct class *cls, dev_t devt,
        if (cls == NULL || IS_ERR(cls))
                goto error;
 
-       class_dev = kmalloc(sizeof(struct class_device), GFP_KERNEL);
+       class_dev = kzalloc(sizeof(*class_dev), GFP_KERNEL);
        if (!class_dev) {
                retval = -ENOMEM;
                goto error;
        }
-       memset(class_dev, 0x00, sizeof(struct class_device));
 
        class_dev->devt = devt;
        class_dev->dev = device;