TCP fixes for 2.2: forget sendmsg OOM, tcp_reset error_report
From: Julian Anastasov <ja@ssi.bg>
Date: 2002-08-23 09:53:53
Hello, Below are two fixes useful for 2.2.22. The first fixes SIGIO issue with tcp_reset, stolen from 2.4 - we should send event on error. The second one fixes TCP sendmsg problem on OOM (broken terminals, etc) - we should forget the old error (ENOMEM) and not to fail with EFAULT.
--- v2.2.21/linux/net/ipv4/tcp_input.c Sun Nov 4 10:16:16 2001
+++ linux/net/ipv4/tcp_input.c Thu Aug 22 22:14:23 2002@@ -296,7 +296,7 @@ } sk->shutdown = SHUTDOWN_MASK; if (!sk->dead) - sk->state_change(sk); + sk->error_report(sk); } /* This tags the retransmission queue when SACKs arrive. */ --- v2.2.21/linux/net/ipv4/tcp.c Sun Nov 4 10:16:16 2001 +++ linux/net/ipv4/tcp.c Thu Aug 22 22:16:02 2002
@@ -940,6 +940,7 @@ if (!err) tcp_push_pending_frames(sk, tp); wait_for_tcp_memory(sk, err); + err = 0; /* If SACK's were formed or PMTU events happened, * we must find out about it.
Regards -- Julian Anastasov [off-list ref]