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authorJason Xing <kernelxing@tencent.com>2024-08-02 18:21:11 +0800
committerDavid S. Miller <davem@davemloft.net>2024-08-07 10:24:46 +0100
commitc026c6562f86b24dd2dfef501fb1e64cc3884a79 (patch)
treecd3a0903008b7a751d84b817c682a854bec02c35 /net/ipv4/tcp.c
parent0a399892a596055c8f069a17b4775fe5ab66d32a (diff)
downloadlwn-c026c6562f86b24dd2dfef501fb1e64cc3884a79.tar.gz
lwn-c026c6562f86b24dd2dfef501fb1e64cc3884a79.zip
tcp: rstreason: introduce SK_RST_REASON_TCP_DISCONNECT_WITH_DATA for active reset
When user tries to disconnect a socket and there are more data written into tcp write queue, we should tell users about this reset reason. Signed-off-by: Jason Xing <kernelxing@tencent.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 24777e48bcc8..8514257f4ecd 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3033,7 +3033,8 @@ int tcp_disconnect(struct sock *sk, int flags)
/* The last check adjusts for discrepancy of Linux wrt. RFC
* states
*/
- tcp_send_active_reset(sk, gfp_any(), SK_RST_REASON_NOT_SPECIFIED);
+ tcp_send_active_reset(sk, gfp_any(),
+ SK_RST_REASON_TCP_DISCONNECT_WITH_DATA);
WRITE_ONCE(sk->sk_err, ECONNRESET);
} else if (old_state == TCP_SYN_SENT)
WRITE_ONCE(sk->sk_err, ECONNRESET);