forked from Minki/linux
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:
parent
9ab1565151
commit
fa4c86a0dd
@ -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);
|
||||
|
Loading…
Reference in New Issue
Block a user