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SubjectRe: [PATCH net] tcp: Export tcp_write_queue_purge()
On Thu, Jul 30, 2020 at 2:07 PM Florian Fainelli <f.fainelli@gmail.com> wrote:
>
> After tcp_write_queue_purge() got uninlined with commit ac3f09ba3e49
> ("tcp: uninline tcp_write_queue_purge()"), it became no longer possible
> to reference this symbol from kernel modules.
>
> Fixes: ac3f09ba3e49 ("tcp: uninline tcp_write_queue_purge()")
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
> net/ipv4/tcp.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
> index 6f0caf9a866d..ea9d296a8380 100644
> --- a/net/ipv4/tcp.c
> +++ b/net/ipv4/tcp.c
> @@ -2626,6 +2626,7 @@ void tcp_write_queue_purge(struct sock *sk)
> tcp_sk(sk)->packets_out = 0;
> inet_csk(sk)->icsk_backoff = 0;
> }
> +EXPORT_SYMBOL(tcp_write_queue_purge);
>
> int tcp_disconnect(struct sock *sk, int flags)
> {
> --
> 2.17.1
>

Hmmm.... which module would need this exactly ?

How come it took 3 years to discover this issue ?

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