[PATCH] usbcore: Use kzalloc instead of kmalloc/memset
This patch (as590) fixes up all the remaining places where usbcore can use kzalloc rather than kmalloc/memset. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Родитель
b724ae7796
Коммит
0a1ef3b5a7
|
@ -188,10 +188,9 @@ static int usb_parse_interface(struct device *ddev, int cfgno,
|
|||
}
|
||||
|
||||
len = sizeof(struct usb_host_endpoint) * num_ep;
|
||||
alt->endpoint = kmalloc(len, GFP_KERNEL);
|
||||
alt->endpoint = kzalloc(len, GFP_KERNEL);
|
||||
if (!alt->endpoint)
|
||||
return -ENOMEM;
|
||||
memset(alt->endpoint, 0, len);
|
||||
|
||||
/* Parse all the endpoint descriptors */
|
||||
n = 0;
|
||||
|
@ -353,10 +352,9 @@ static int usb_parse_configuration(struct device *ddev, int cfgidx,
|
|||
}
|
||||
|
||||
len = sizeof(*intfc) + sizeof(struct usb_host_interface) * j;
|
||||
config->intf_cache[i] = intfc = kmalloc(len, GFP_KERNEL);
|
||||
config->intf_cache[i] = intfc = kzalloc(len, GFP_KERNEL);
|
||||
if (!intfc)
|
||||
return -ENOMEM;
|
||||
memset(intfc, 0, len);
|
||||
kref_init(&intfc->ref);
|
||||
}
|
||||
|
||||
|
@ -459,16 +457,14 @@ int usb_get_configuration(struct usb_device *dev)
|
|||
}
|
||||
|
||||
length = ncfg * sizeof(struct usb_host_config);
|
||||
dev->config = kmalloc(length, GFP_KERNEL);
|
||||
dev->config = kzalloc(length, GFP_KERNEL);
|
||||
if (!dev->config)
|
||||
goto err2;
|
||||
memset(dev->config, 0, length);
|
||||
|
||||
length = ncfg * sizeof(char *);
|
||||
dev->rawdescriptors = kmalloc(length, GFP_KERNEL);
|
||||
dev->rawdescriptors = kzalloc(length, GFP_KERNEL);
|
||||
if (!dev->rawdescriptors)
|
||||
goto err2;
|
||||
memset(dev->rawdescriptors, 0, length);
|
||||
|
||||
buffer = kmalloc(USB_DT_CONFIG_SIZE, GFP_KERNEL);
|
||||
if (!buffer)
|
||||
|
|
|
@ -210,10 +210,10 @@ err:
|
|||
static struct async *alloc_async(unsigned int numisoframes)
|
||||
{
|
||||
unsigned int assize = sizeof(struct async) + numisoframes * sizeof(struct usb_iso_packet_descriptor);
|
||||
struct async *as = kmalloc(assize, GFP_KERNEL);
|
||||
struct async *as = kzalloc(assize, GFP_KERNEL);
|
||||
|
||||
if (!as)
|
||||
return NULL;
|
||||
memset(as, 0, assize);
|
||||
as->urb = usb_alloc_urb(numisoframes, GFP_KERNEL);
|
||||
if (!as->urb) {
|
||||
kfree(as);
|
||||
|
|
|
@ -744,10 +744,9 @@ struct usb_bus *usb_alloc_bus (struct usb_operations *op)
|
|||
{
|
||||
struct usb_bus *bus;
|
||||
|
||||
bus = kmalloc (sizeof *bus, GFP_KERNEL);
|
||||
bus = kzalloc (sizeof *bus, GFP_KERNEL);
|
||||
if (!bus)
|
||||
return NULL;
|
||||
memset(bus, 0, sizeof(struct usb_bus));
|
||||
usb_bus_init (bus);
|
||||
bus->op = op;
|
||||
return bus;
|
||||
|
|
|
@ -865,14 +865,12 @@ descriptor_error:
|
|||
/* We found a hub */
|
||||
dev_info (&intf->dev, "USB hub found\n");
|
||||
|
||||
hub = kmalloc(sizeof(*hub), GFP_KERNEL);
|
||||
hub = kzalloc(sizeof(*hub), GFP_KERNEL);
|
||||
if (!hub) {
|
||||
dev_dbg (&intf->dev, "couldn't kmalloc hub struct\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
memset(hub, 0, sizeof(*hub));
|
||||
|
||||
INIT_LIST_HEAD(&hub->event_list);
|
||||
hub->intfdev = &intf->dev;
|
||||
hub->hdev = hdev;
|
||||
|
|
|
@ -1350,7 +1350,7 @@ int usb_set_configuration(struct usb_device *dev, int configuration)
|
|||
}
|
||||
|
||||
for (; n < nintf; ++n) {
|
||||
new_interfaces[n] = kmalloc(
|
||||
new_interfaces[n] = kzalloc(
|
||||
sizeof(struct usb_interface),
|
||||
GFP_KERNEL);
|
||||
if (!new_interfaces[n]) {
|
||||
|
@ -1391,7 +1391,6 @@ free_interfaces:
|
|||
struct usb_host_interface *alt;
|
||||
|
||||
cp->interface[i] = intf = new_interfaces[i];
|
||||
memset(intf, 0, sizeof(*intf));
|
||||
intfc = cp->intf_cache[i];
|
||||
intf->altsetting = intfc->altsetting;
|
||||
intf->num_altsetting = intfc->num_altsetting;
|
||||
|
|
|
@ -704,12 +704,10 @@ usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus, unsigned port1)
|
|||
{
|
||||
struct usb_device *dev;
|
||||
|
||||
dev = kmalloc(sizeof(*dev), GFP_KERNEL);
|
||||
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
|
||||
if (!dev)
|
||||
return NULL;
|
||||
|
||||
memset(dev, 0, sizeof(*dev));
|
||||
|
||||
bus = usb_bus_get(bus);
|
||||
if (!bus) {
|
||||
kfree(dev);
|
||||
|
|
Загрузка…
Ссылка в новой задаче