staging: most: usb: remove local variable

This patch removes the local variable dev that is used to store the pointer
to the usb_device whenever it is used only once.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c
index 19ad618..bc820f9 100644 (file)
--- a/drivers/staging/most/usb/usb.c
+++ b/drivers/staging/most/usb/usb.c
@@ -338,7 +338,6 @@ static void hdm_write_completion(struct urb *urb)
        struct mbo *mbo = urb->context;
        struct most_dev *mdev = to_mdev(mbo->ifp);
        unsigned int channel = mbo->hdm_channel_id;
-       struct device *dev = &mdev->usb_device->dev;
        spinlock_t *lock = mdev->channel_lock + channel;
        unsigned long flags;
 
@@ -354,7 +353,8 @@ static void hdm_write_completion(struct urb *urb)
                        mbo->status = MBO_SUCCESS;
                        break;
                case -EPIPE:
-                       dev_warn(dev, "Broken pipe on ep%02x\n",
+                       dev_warn(&mdev->usb_device->dev,
+                                "Broken pipe on ep%02x\n",
                                 mdev->ep_address[channel]);
                        mdev->is_channel_healthy[channel] = false;
                        mdev->clear_work[channel].pipe = urb->pipe;
@@ -552,7 +552,6 @@ static int hdm_enqueue(struct most_interface *iface, int channel,
 {
        struct most_dev *mdev;
        struct most_channel_config *conf;
-       struct device *dev;
        int retval = 0;
        struct urb *urb;
        unsigned long length;
@@ -572,7 +571,6 @@ static int hdm_enqueue(struct most_interface *iface, int channel,
                goto _exit;
        }
 
-       dev = &mdev->usb_device->dev;
        urb = usb_alloc_urb(NO_ISOCHRONOUS_URB, GFP_ATOMIC);
        if (!urb) {
                retval = -ENOMEM;
@@ -615,7 +613,8 @@ static int hdm_enqueue(struct most_interface *iface, int channel,
 
        retval = usb_submit_urb(urb, GFP_KERNEL);
        if (retval) {
-               dev_err(dev, "URB submit failed with error %d.\n", retval);
+               dev_err(&mdev->usb_device->dev,
+                       "URB submit failed with error %d.\n", retval);
                goto _error_1;
        }
        goto _exit;