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USB: use bus_to_hdc instead of container_of

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We defined bus_to_hdc for that, use it.

Signed-off-by: Yuanhan Liu <yliu.null@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yuanhan Liu
2012-10-06 15:23:17 +08:00
committed by Greg Kroah-Hartman
parent 60d80adbac
commit 30b1e495b8
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/core/usb.c
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@@ -370,14 +370,14 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
struct usb_bus *bus, unsigned port1) struct usb_bus *bus, unsigned port1)
{ {
struct usb_device *dev; struct usb_device *dev;
struct usb_hcd *usb_hcd = container_of(bus, struct usb_hcd, self); struct usb_hcd *usb_hcd = bus_to_hcd(bus);
unsigned root_hub = 0; unsigned root_hub = 0;
dev = kzalloc(sizeof(*dev), GFP_KERNEL); dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) if (!dev)
return NULL; return NULL;
if (!usb_get_hcd(bus_to_hcd(bus))) { if (!usb_get_hcd(usb_hcd)) {
kfree(dev); kfree(dev);
return NULL; return NULL;
} }