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Date: Thu, 9 Oct 2014 18:00:24 +0800 From: Hayes Wang <hayeswang@...ltek.com> To: <netdev@...r.kernel.org> CC: <nic_swsd@...ltek.com>, <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>, Hayes Wang <hayeswang@...ltek.com> Subject: [PATCH net-next v2 1/3] r8152: autoresume before setting feature Resume the device before setting the feature. Signed-off-by: Hayes Wang <hayeswang@...ltek.com> --- drivers/net/usb/r8152.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 5cfd414..c5afe8c 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2145,6 +2145,11 @@ static int rtl8152_set_features(struct net_device *dev, { netdev_features_t changed = features ^ dev->features; struct r8152 *tp = netdev_priv(dev); + int ret; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out; if (changed & NETIF_F_HW_VLAN_CTAG_RX) { if (features & NETIF_F_HW_VLAN_CTAG_RX) @@ -2153,7 +2158,10 @@ static int rtl8152_set_features(struct net_device *dev, rtl_rx_vlan_en(tp, false); } - return 0; + usb_autopm_put_interface(tp->intf); + +out: + return ret; } #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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