The local variable @req is unnecessary in qmu_tx_zlp_error_handler, so remove it. Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> --- drivers/usb/mtu3/mtu3_qmu.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/usb/mtu3/mtu3_qmu.c b/drivers/usb/mtu3/mtu3_qmu.c index 09f19f70fe8f..f4b5431264c1 100644 --- a/drivers/usb/mtu3/mtu3_qmu.c +++ b/drivers/usb/mtu3/mtu3_qmu.c @@ -382,16 +382,13 @@ static void qmu_tx_zlp_error_handler(struct mtu3 *mtu, u8 epnum) struct mtu3_gpd_ring *ring = &mep->gpd_ring; void __iomem *mbase = mtu->mac_base; struct qmu_gpd *gpd_current = NULL; - struct usb_request *req = NULL; struct mtu3_request *mreq; dma_addr_t cur_gpd_dma; u32 txcsr = 0; int ret; mreq = next_request(mep); - if (mreq && mreq->request.length == 0) - req = &mreq->request; - else + if (mreq && mreq->request.length != 0) return; cur_gpd_dma = read_txq_cur_addr(mbase, epnum); @@ -402,7 +399,7 @@ static void qmu_tx_zlp_error_handler(struct mtu3 *mtu, u8 epnum) return; } - dev_dbg(mtu->dev, "%s send ZLP for req=%p\n", __func__, req); + dev_dbg(mtu->dev, "%s send ZLP for req=%p\n", __func__, mreq); mtu3_clrbits(mbase, MU3D_EP_TXCR0(mep->epnum), TX_DMAREQEN); -- 2.20.1
