Resume the device before setting the MAC address.
Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
---
drivers/net/usb/r8152.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 604ef21..e823358 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1007,9 +1007,16 @@ static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
{
struct r8152 *tp = netdev_priv(netdev);
struct sockaddr *addr = p;
+ int ret;
+
+ ret = usb_autopm_get_interface(tp->intf);
+ if (ret < 0)
+ goto out1;
- if (!is_valid_ether_addr(addr->sa_data))
- return -EADDRNOTAVAIL;
+ if (!is_valid_ether_addr(addr->sa_data)) {
+ ret = -EADDRNOTAVAIL;
+ goto out2;
+ }
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
@@ -1017,7 +1024,10 @@ static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data);
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
- return 0;
+out2:
+ usb_autopm_put_interface(tp->intf);
+out1:
+ return ret;
}
static void read_bulk_callback(struct urb *urb)
--
1.9.3
--
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