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: stable@xxxxxxxxxxxxxxx
Fixes: 5d187c0454ef ("usb: dwc3: gadget: Don't setup more than requested")
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx>
---
drivers/usb/dwc3/gadget.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index cb19d682bbac..44351078f833 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1098,6 +1098,8 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
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;
@@ -1109,8 +1111,6 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
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 int chain = true;
--
2.28.0
