staging: most: fix MAC address representation
authorChristian Gromm <christian.gromm@microchip.com>
Mon, 28 Sep 2015 15:18:41 +0000 (17:18 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 29 Sep 2015 01:18:50 +0000 (03:18 +0200)
This patch fixes the representation of the MAC address within the HDM USB
module.

Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/most/hdm-usb/hdm_usb.c

index a9da92f..315abec 100644 (file)
@@ -790,29 +790,37 @@ exit:
 static int hdm_update_netinfo(struct most_dev *mdev)
 {
        struct device *dev = &mdev->usb_device->dev;
-       int i;
-       u16 link;
-       u8 addr[6];
+       u16 hi, mi, lo, link;
 
        if (!is_valid_ether_addr(mdev->hw_addr)) {
                if (0 > drci_rd_reg(mdev->usb_device,
-                                   DRCI_REG_HW_ADDR_HI, addr)) {
+                                   DRCI_REG_HW_ADDR_HI, &hi)) {
                        dev_err(dev, "Vendor request \"hw_addr_hi\" failed\n");
                        return -1;
                }
+               le16_to_cpus(&hi);
+
                if (0 > drci_rd_reg(mdev->usb_device,
-                                   DRCI_REG_HW_ADDR_MI, addr + 2)) {
+                                   DRCI_REG_HW_ADDR_MI, &mi)) {
                        dev_err(dev, "Vendor request \"hw_addr_mid\" failed\n");
                        return -1;
                }
+               le16_to_cpus(&mi);
+
                if (0 > drci_rd_reg(mdev->usb_device,
-                                   DRCI_REG_HW_ADDR_LO, addr + 4)) {
+                                   DRCI_REG_HW_ADDR_LO, &lo)) {
                        dev_err(dev, "Vendor request \"hw_addr_low\" failed\n");
                        return -1;
                }
+               le16_to_cpus(&lo);
+
                mutex_lock(&mdev->io_mutex);
-               for (i = 0; i < 6; i++)
-                       mdev->hw_addr[i] = addr[i];
+               mdev->hw_addr[0] = hi >> 8;
+               mdev->hw_addr[1] = hi;
+               mdev->hw_addr[2] = mi >> 8;
+               mdev->hw_addr[3] = mi;
+               mdev->hw_addr[4] = lo >> 8;
+               mdev->hw_addr[5] = lo;
                mutex_unlock(&mdev->io_mutex);
 
        }