diff options
| -rw-r--r-- | drivers/net/r8169.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index c7309e98f89d..c2c9a86e445c 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2702,6 +2702,7 @@ static void rtl8169_down(struct net_device *dev) struct rtl8169_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->mmio_addr; unsigned int poll_locked = 0; + unsigned int intrmask; rtl8169_delete_timer(dev); @@ -2740,8 +2741,11 @@ core_down: * 2) dev->change_mtu * -> rtl8169_poll can not be issued again and re-enable the * interruptions. Let's simply issue the IRQ down sequence again. + * + * No loop if hotpluged or major error (0xffff). */ - if (RTL_R16(IntrMask)) + intrmask = RTL_R16(IntrMask); + if (intrmask && (intrmask != 0xffff)) goto core_down; rtl8169_tx_clear(tp); |