diff options
| author | Kishon Vijay Abraham I <kishon@ti.com> | 2015-07-27 08:55:28 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-07-30 18:43:34 +0200 |
| commit | 2e5464da4e7dc55e1751d2beb3e6e78f35020756 (patch) | |
| tree | 9c986cb519d8fadc3f3fd3f2e7eeca8af84f804a /drivers/usb/dwc3 | |
| parent | usb: dwc3: ep0: Fix mem corruption on OUT transfers of more than 512 bytes (diff) | |
| download | linux-2e5464da4e7dc55e1751d2beb3e6e78f35020756.tar.xz linux-2e5464da4e7dc55e1751d2beb3e6e78f35020756.zip | |
usb: dwc3: ep0: use _roundup_ to calculate the transfer size
No functional change. Used _roundup_ macro to calculate the transfer
size aligned to maxpacket in dwc3_ep0_complete_data. It also makes it
similar to how transfer size is calculated in __dwc3_ep0_do_control_data.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 06ecd1e6871c..672d55a6d598 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -816,10 +816,8 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, length = trb->size & DWC3_TRB_SIZE_MASK; if (dwc->ep0_bounced) { - unsigned transfer_size = ur->length; unsigned maxp = ep0->endpoint.maxpacket; - - transfer_size += (maxp - (transfer_size % maxp)); + unsigned transfer_size = roundup(ur->length, maxp); /* Maximum of DWC3_EP0_BOUNCE_SIZE can only be received */ if (transfer_size > DWC3_EP0_BOUNCE_SIZE) |