diff options
| author | Fabian Vogt <fabian@ritter-vogt.de> | 2021-03-24 15:11:10 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-26 14:43:47 +0100 |
| commit | 078ba935651e149c92c41161e0322e3372cc2705 (patch) | |
| tree | 6cac9fef2bf874bbeb5cc8735304806f3a9c0815 /drivers/usb/gadget/udc/fotg210-udc.c | |
| parent | fotg210-udc: Fix DMA on EP0 for length > max packet size (diff) | |
| download | linux-078ba935651e149c92c41161e0322e3372cc2705.tar.xz linux-078ba935651e149c92c41161e0322e3372cc2705.zip | |
fotg210-udc: Fix EP0 IN requests bigger than two packets
For a 134 Byte packet, it sends the first two 64 Byte packets just fine,
but then notice that less than a packet is remaining and call fotg210_done
without actually sending the rest.
Fixes: b84a8dee23fd ("usb: gadget: add Faraday fotg210_udc driver")
Signed-off-by: Fabian Vogt <fabian@ritter-vogt.de>
Link: https://lore.kernel.org/r/20210324141115.9384-3-fabian@ritter-vogt.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/udc/fotg210-udc.c')
| -rw-r--r-- | drivers/usb/gadget/udc/fotg210-udc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index 39260007ebf8..345827cf1b64 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -820,7 +820,7 @@ static void fotg210_ep0in(struct fotg210_udc *fotg210) if (req->req.length) fotg210_start_dma(ep, req); - if ((req->req.length - req->req.actual) < ep->ep.maxpacket) + if (req->req.actual == req->req.length) fotg210_done(ep, req, 0); } else { fotg210_set_cxdone(fotg210); |