From: Thinh Nguyen <[email protected]> commit ca3df3468eec87f6374662f7de425bc44c3810c1 upstream.
When preparing for SG, not all the entries are prepared at once. When resume, don't use the remaining request length to calculate for MPS alignment. Use the entire request->length to do that. Cc: [email protected] Fixes: 5d187c0454ef ("usb: dwc3: gadget: Don't setup more than requested") Signed-off-by: Thinh Nguyen <[email protected]> Signed-off-by: Felipe Balbi <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/usb/dwc3/gadget.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1095,6 +1095,8 @@ static void dwc3_prepare_one_trb_sg(stru struct scatterlist *s; int i; unsigned int length = req->request.length; + unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc); + unsigned int rem = length % maxp; unsigned int remaining = req->request.num_mapped_sgs - req->num_queued_sgs; @@ -1106,8 +1108,6 @@ static void dwc3_prepare_one_trb_sg(stru length -= sg_dma_len(s); for_each_sg(sg, s, remaining, i) { - unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc); - unsigned int rem = length % maxp; unsigned int trb_length; unsigned chain = true;
