diff options
| author |   Khalid Masum <khalid.masum.92@gmail.com> | 2022-08-25 02:31:07 +0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-31 09:07:53 +0200 |
| commit | 9013d8fc0ad91dc369f5b8ea708b9b068aa5d434 (patch) | |
| tree | 8bc8669e2adeaf3f807703658c7bb2245d8b210c /drivers/usb/core | |
| parent | usb: ehci: Use endpoint in URB to get maxpacket (diff) | |
| download | linux-dev-9013d8fc0ad91dc369f5b8ea708b9b068aa5d434.tar.xz linux-dev-9013d8fc0ad91dc369f5b8ea708b9b068aa5d434.zip | |
usb: host: Initiate urb ep with udev ep0
Currently we look up for endpoint in a table and initate urb endpoint
with it. This is unnecessary because the lookup will always result in
endpoint 0.
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Khalid Masum <khalid.masum.92@gmail.com>
Link: https://lore.kernel.org/r/20220824203107.14908-1-khalid.masum.92@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/hcd.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 90dd32a24e5b..faeaace0d197 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2158,21 +2158,14 @@ static struct urb *request_single_step_set_feature_urb( { struct urb *urb; struct usb_hcd *hcd = bus_to_hcd(udev->bus); - struct usb_host_endpoint *ep; urb = usb_alloc_urb(0, GFP_KERNEL); if (!urb) return NULL; urb->pipe = usb_rcvctrlpipe(udev, 0); - ep = (usb_pipein(urb->pipe) ? udev->ep_in : udev->ep_out) - [usb_pipeendpoint(urb->pipe)]; - if (!ep) { - usb_free_urb(urb); - return NULL; - } - urb->ep = ep; + urb->ep = &udev->ep0; urb->dev = udev; urb->setup_packet = (void *)dr; urb->transfer_buffer = buf; |