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Diffstat (limited to 'drivers/usb/chipidea/udc.c')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 69ef3cd8d4f8..d3556416dae4 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -960,6 +960,12 @@ static int _ep_queue(struct usb_ep *ep, struct usb_request *req, return -EMSGSIZE; } + if (ci->has_short_pkt_limit && + hwreq->req.length > CI_MAX_REQ_SIZE) { + dev_err(hwep->ci->dev, "request length too big (max 16KB)\n"); + return -EMSGSIZE; + } + /* first nuke then test link, e.g. previous status has not sent */ if (!list_empty(&hwreq->queue)) { dev_err(hwep->ci->dev, "request already in queue\n"); |