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USB: gadgetfs: use helper functions to determine endpoint type and direction 

Use helper functions to determine the type and direction of an endpoint
instead of fiddling with bEndpointAddress and bmAttributes

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Matthias Kaehlcke 2009-04-15 22:28:32 +02:00 committed by Greg Kroah-Hartman
parent 9ab1565151
commit fa4c86a0dd
1 changed files with 6 additions and 8 deletions
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14
drivers/usb/gadget/inode.c
View File

@ -384,9 +384,8 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
return value;
/* halt any endpoint by doing a "wrong direction" i/o call */
if (data->desc.bEndpointAddress & USB_DIR_IN) {
if ((data->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
== USB_ENDPOINT_XFER_ISOC)
if (usb_endpoint_dir_in(&data->desc)) {
if (usb_endpoint_xfer_isoc(&data->desc))
return -EINVAL;
DBG (data->dev, "%s halt\n", data->name);
spin_lock_irq (&data->dev->lock);
@ -428,9 +427,8 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
return value;
/* halt any endpoint by doing a "wrong direction" i/o call */
if (!(data->desc.bEndpointAddress & USB_DIR_IN)) {
if ((data->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
== USB_ENDPOINT_XFER_ISOC)
if (!usb_endpoint_dir_in(&data->desc)) {
if (usb_endpoint_xfer_isoc(&data->desc))
return -EINVAL;
DBG (data->dev, "%s halt\n", data->name);
spin_lock_irq (&data->dev->lock);
@ -691,7 +689,7 @@ ep_aio_read(struct kiocb *iocb, const struct iovec *iov,
struct ep_data *epdata = iocb->ki_filp->private_data;
char *buf;
if (unlikely(epdata->desc.bEndpointAddress & USB_DIR_IN))
if (unlikely(usb_endpoint_dir_in(&epdata->desc)))
return -EINVAL;
buf = kmalloc(iocb->ki_left, GFP_KERNEL);
@ -711,7 +709,7 @@ ep_aio_write(struct kiocb *iocb, const struct iovec *iov,
size_t len = 0;
int i = 0;
if (unlikely(!(epdata->desc.bEndpointAddress & USB_DIR_IN)))
if (unlikely(!usb_endpoint_dir_in(&epdata->desc)))
return -EINVAL;
buf = kmalloc(iocb->ki_left, GFP_KERNEL);