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authorEndre Kollar <taxy443@gmail.com>2010-07-27 12:39:45 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-07-27 11:08:31 -0700
commitab30f12d4ef11cc92fa9a657bf0c9b9951f24011 (patch)
tree85712a04acb43b2d16b759f6d3e658dbfce08791 /drivers/staging/usbip
parentaa5873e96271611ae55586f65e49ea1fab90cb88 (diff)
Staging: usbip: simplify get_ep_from_epnum
usb_device->ep_in/out includes the necessary endpoints, search is not needed. Signed-off-by: Endre Kollar <taxy443@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/usbip')
-rw-r--r--drivers/staging/usbip/stub_rx.c46
1 files changed, 4 insertions, 42 deletions
diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c
index 5972ae70e381..c6022602749e 100644
--- a/drivers/staging/usbip/stub_rx.c
+++ b/drivers/staging/usbip/stub_rx.c
@@ -362,54 +362,16 @@ static struct stub_priv *stub_priv_alloc(struct stub_device *sdev,
return priv;
}
-
-static struct usb_host_endpoint *get_ep_from_epnum(struct usb_device *udev,
- int epnum0)
-{
- struct usb_host_config *config;
- int i = 0, j = 0;
- struct usb_host_endpoint *ep = NULL;
- int epnum;
- int found = 0;
-
- if (epnum0 == 0)
- return &udev->ep0;
-
- config = udev->actconfig;
- if (!config)
- return NULL;
-
- for (i = 0; i < config->desc.bNumInterfaces; i++) {
- struct usb_host_interface *setting;
-
- setting = config->interface[i]->cur_altsetting;
-
- for (j = 0; j < setting->desc.bNumEndpoints; j++) {
- ep = &setting->endpoint[j];
- epnum = (ep->desc.bEndpointAddress & 0x7f);
-
- if (epnum == epnum0) {
- /* usbip_uinfo("found epnum %d\n", epnum0);*/
- found = 1;
- break;
- }
- }
- }
-
- if (found)
- return ep;
- else
- return NULL;
-}
-
-
static int get_pipe(struct stub_device *sdev, int epnum, int dir)
{
struct usb_device *udev = interface_to_usbdev(sdev->interface);
struct usb_host_endpoint *ep;
struct usb_endpoint_descriptor *epd = NULL;
- ep = get_ep_from_epnum(udev, epnum);
+ if (dir == USBIP_DIR_IN)
+ ep = udev->ep_in[epnum & 0x7f];
+ else
+ ep = udev->ep_out[epnum & 0x7f];
if (!ep) {
dev_err(&sdev->interface->dev, "no such endpoint?, %d\n",
epnum);