diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index f42c29b11f713ddbb95f7a6115e27e2921325dd8..695c892e70e788b97e0b752ca18663948acd06bd 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -328,6 +328,13 @@ static void txstate(struct musb *musb, struct musb_request *req) musb_ep = req->ep; + /* Check if EP is disabled */ + if (!musb_ep->desc) { + dev_dbg(musb->controller, "ep:%s disabled - ignore request\n", + musb_ep->end_point.name); + return; + } + /* we shouldn't get here while DMA is active ... but we do ... */ if (dma_channel_status(musb_ep->dma) == MUSB_DMA_STATUS_BUSY) { dev_dbg(musb->controller, "dma pending...\n"); @@ -650,6 +657,13 @@ static void rxstate(struct musb *musb, struct musb_request *req) len = musb_ep->packet_sz; + /* Check if EP is disabled */ + if (!musb_ep->desc) { + dev_dbg(musb->controller, "ep:%s disabled - ignore request\n", + musb_ep->end_point.name); + return; + } + /* We shouldn't get here while DMA is active, but we do... */ if (dma_channel_status(musb_ep->dma) == MUSB_DMA_STATUS_BUSY) { dev_dbg(musb->controller, "DMA pending...\n");