The check against MAX_DMA_DESC_SIZE didn't make sense, fix it
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Paul Zimmerman <paulz@xxxxxxxxxxxx>
---
drivers/staging/dwc2/hcd_ddma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/dwc2/hcd_ddma.c b/drivers/staging/dwc2/hcd_ddma.c
index 72e9788..3376177 100644
--- a/drivers/staging/dwc2/hcd_ddma.c
+++ b/drivers/staging/dwc2/hcd_ddma.c
@@ -621,8 +621,8 @@ static void dwc2_fill_host_dma_desc(struct dwc2_hsotg *hsotg,
struct dwc2_hcd_dma_desc *dma_desc = &qh->desc_list[n_desc];
int len = chan->xfer_len;
- if (len > MAX_DMA_DESC_SIZE)
- len = MAX_DMA_DESC_SIZE - chan->max_packet + 1;
+ if (len > MAX_DMA_DESC_SIZE - (chan->max_packet - 1))
+ len = MAX_DMA_DESC_SIZE - (chan->max_packet - 1);
if (chan->ep_is_in) {
int num_packets;
--
1.8.5.rc3
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