Re: 2.4.0-ac3 write() to tcp socket returning errno of -3 (ESRCH:"No such process")

[David S. Miller]

   Date: Thu, 11 Jan 2001 10:45:13 -0600 (CST)
   From: Paul Cassella <[EMAIL PROTECTED]>

   I'm not familiar enough with the tcp code to know if this patch
   (against -ac6) is a solution, band-aid, or, in fact, wrong, but
   I've run with it (on -ac3) and haven't seen the errors for over
   twelve hours, which is three times longer than it had been able to
   go without it coming up.

See the fix I put in 2.4.1-pre2, which is:

diff -u --recursive --new-file v2.4.0/linux/net/ipv4/tcp.c linux/net/ipv4/tcp.c
--- v2.4.0/linux/net/ipv4/tcp.c Tue Nov 28 21:53:45 2000
+++ linux/net/ipv4/tcp.c        Wed Jan 10 14:12:12 2001
@@ -954,7 +954,7 @@
                         */
                        skb = sk->write_queue.prev;
                        if (tp->send_head &&
-                           (mss_now - skb->len) > 0) {
+                           (mss_now > skb->len)) {
                                copy = skb->len;
                                if (skb_tailroom(skb) > 0) {
                                        int last_byte_was_odd = (copy % 4);
-
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