diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2013-10-09 17:19:30 +0200 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2014-03-04 15:38:05 -0800 |
| commit | 2fec32b06e374642802f7fb4f5350317cd14732b (patch) | |
| tree | c5530d73c3f9eb780b2df104e5db14166d2d6960 /drivers/usb/core/devio.c | |
| parent | 948cd8c18c466fdcbe707bb2a42a148796bfccdd (diff) | |
usbfs: Add ep_to_host_endpoint helper function
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/usb/core/devio.c')
| -rw-r--r-- | drivers/usb/core/devio.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index d7571a63181d..502974b4deb5 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -769,6 +769,15 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, return ret; } +static struct usb_host_endpoint *ep_to_host_endpoint(struct usb_device *dev, + unsigned char ep) +{ + if (ep & USB_ENDPOINT_DIR_MASK) + return dev->ep_in[ep & USB_ENDPOINT_NUMBER_MASK]; + else + return dev->ep_out[ep & USB_ENDPOINT_NUMBER_MASK]; +} + static int match_devt(struct device *dev, void *data) { return dev->devt == (dev_t) (unsigned long) data; @@ -1230,15 +1239,10 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, if (ret) return ret; } - if ((uurb->endpoint & USB_ENDPOINT_DIR_MASK) != 0) { - is_in = 1; - ep = ps->dev->ep_in[uurb->endpoint & USB_ENDPOINT_NUMBER_MASK]; - } else { - is_in = 0; - ep = ps->dev->ep_out[uurb->endpoint & USB_ENDPOINT_NUMBER_MASK]; - } + ep = ep_to_host_endpoint(ps->dev, uurb->endpoint); if (!ep) return -ENOENT; + is_in = (uurb->endpoint & USB_ENDPOINT_DIR_MASK) != 0; u = 0; switch(uurb->type) { |