usb: mtu3: remove unnecessary local variable @req

The local variable @req is unnecessary in qmu_tx_zlp_error_handler,
so remove it.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/mtu3/mtu3_qmu.c b/drivers/usb/mtu3/mtu3_qmu.c
index 09f19f70fe8f8da90a9def2a2d895821b919bd08..f4b5431264c12e199343bcd79b4706fafa6e6de1 100644 (file)
--- 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);