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Fixed bug #27904: TCP sends too many ACKs: delay resetting tcp_input_pcb until after calling the pcb's callbacks

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This commit is contained in:
goldsimon 2009-12-02 17:01:29 +00:00
parent 04c5246e02
commit 3a1c5944e7
2 changed files with 8 additions and 5 deletions
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4
CHANGELOG
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@ -46,6 +46,10 @@ HISTORY
++ Bugfixes:
2009-12-02: Simon Goldschmidt
* tcp_in.c: Fixed bug #27904: TCP sends too many ACKs: delay resetting
tcp_input_pcb until after calling the pcb's callbacks
2009-11-29: Simon Goldschmidt
* tcp_in.c: Fixed bug #28054: Two segments with FIN flag on the out-of-
sequence queue, also fixed PBUF_POOL leak in the out-of-sequence code

9
src/core/tcp_in.c
View File

@ -290,7 +290,6 @@ tcp_input(struct pbuf *p, struct netif *inp)
}
tcp_input_pcb = pcb;
err = tcp_process(pcb);
tcp_input_pcb = NULL;
/* A return value of ERR_ABRT means that tcp_abort() was called
and that the pcb has been freed. If so, we don't do anything. */
if (err != ERR_ABRT) {
@ -337,10 +336,9 @@ tcp_input(struct pbuf *p, struct netif *inp)
TCP_EVENT_RECV(pcb, NULL, ERR_OK, err);
}
/* If there were no errors, we try to send something out. */
if (err == ERR_OK) {
tcp_output(pcb);
}
tcp_input_pcb = NULL;
/* Try to send something out. */
tcp_output(pcb);
#if TCP_INPUT_DEBUG
#if TCP_DEBUG
tcp_debug_print_state(pcb->state);
@ -348,6 +346,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
#endif /* TCP_INPUT_DEBUG */
}
}
tcp_input_pcb = NULL;
/* give up our reference to inseg.p */