[PATCH 3.10 05/31] tcp: fix FRTO undo on cumulative ACK of SACKed range

3.10-stable review patch. If anyone has any objections, please let me know. -- From: Neal Cardwell [ Upstream commit 666b805150efd62f05810ff0db08f44a2370c937 ] On processing cumulative ACKs, the FRTO code was not checking the SACKed bit, meaning that there could be a spurious

[PATCH 3.10 05/31] tcp: fix FRTO undo on cumulative ACK of SACKed range

3.10-stable review patch. If anyone has any objections, please let me know. -- From: Neal Cardwell ncardw...@google.com [ Upstream commit 666b805150efd62f05810ff0db08f44a2370c937 ] On processing cumulative ACKs, the FRTO code was not checking the SACKed bit, meaning that there