r8152: check RTL8152_UNPLUG for rtl8152_close
authorhayeswang <hayeswang@realtek.com>
Fri, 6 Feb 2015 03:30:48 +0000 (11:30 +0800)
committerDavid S. Miller <davem@davemloft.net>
Sun, 8 Feb 2015 06:46:25 +0000 (22:46 -0800)
commit53543db5d5e3e147c5e03cecb1495d7d50ca43e2
tree161fc6af909df5dbf6b138a0ef94fedd77c39bc4
parent51d979faa274d2a924907bdf59f88a216dcc19a9
r8152: check RTL8152_UNPLUG for rtl8152_close

It is unnecessary to accress the hw register if the device is unplugged.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/usb/r8152.c