tcp: refactor tcp_retransmit_timer()
It appears linux-4.14 stable needs a backport of commit 88f8598d ("tcp: exit if nothing to retransmit on RTO timeout") Since tcp_rtx_queue_empty() is not in pre 4.15 kernels, let's refactor tcp_retransmit_timer() to only use tcp_rtx_queue_head() I will provide to stable teams the squashed patches. Signed-off-by:Eric Dumazet <edumazet@google.com> Cc: Willem de Bruijn <willemb@google.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by:
Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
9385973f
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