From: Denis Du <[email protected]> Date: Sat, 24 Feb 2018 16:51:42 -0500
> Sometimes when physical lines have a just good noise to make the protocol > handshaking fail, but the carrier detect still good. Then after remove of > the noise, nobody will trigger this protocol to be start again to cause > the link to never come back. The fix is when the carrier is still on, not > terminate the protocol handshaking. > > Signed-off-by: Denis Du <[email protected]> Applied and queued up for -stable, thanks.

