From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Date: Tue, 19 Jul 2016 14:40:51 +0900
> This patch fixes an issue that a syscall (e.g. sendto syscall) cannot
> work correctly. Since the sendto syscall doesn't have msg_control buffer,
> the sock_tx_timestamp() in packet_snd() cannot work correctly because
> the socks.tsflags is set to 0.
> So, this patch sets the socks.tsflags to sk->sk_tsflags as default.
>
> Fixes: c14ac9451c34 ("sock: enable timestamping using control messages")
> Cc: <stable@xxxxxxxxxxxxxxx>
> Reported-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@xxxxxxxxxxx>
> Reported-by: Keita Kobayashi <keita.kobayashi.ym@xxxxxxxxxxx>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Applied.
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