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from e140ba1 arch/stm32: fdcan cosmetics add f61f276 net/tcp/sendfile: TCP retransmission could not start because of incorrect snd_ackcb callback handling: Both the snd_ackcb and snd_datacb callbacks were created and destroyed right after sending every packet. Whenever TCP_REXMIT event occurred due to TCP send timeout, TCP_REXMIT was ignored because snd_ackcb callback had been destroyed by the time. The issue is fixed as follows: - both the snd_ackcb and snd_datacb callbacks are combined into one snd_cb callback (the sam [...] No new revisions were added by this update. Summary of changes: net/tcp/tcp_sendfile.c | 307 +++++++++++++++++++++---------------------------- 1 file changed, 131 insertions(+), 176 deletions(-)