From 0bb6deda721796c8bf501c8bcbf86998b51f2828 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 21 May 2010 23:07:59 +0200
Subject: [PATCH] TFTP: don't ack if wrong block num is received
If an unexpected block number was received, break out of the
switch loop.
---
lib/tftp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/tftp.c b/lib/tftp.c
index 20e5fd5da5..1228297e05 100644
--- a/lib/tftp.c
+++ b/lib/tftp.c
@@ -599,11 +599,12 @@ static CURLcode tftp_rx(tftp_state_data_t *state, tftp_event_t event)
infof(data,
"Received unexpected DATA packet block %d\n", rblock);
state->retries++;
- if(state->retries>state->retry_max) {
+ if(state->retries > state->retry_max) {
failf(data, "tftp_rx: giving up waiting for block %d",
NEXT_BLOCKNUM(state->block));
return CURLE_TFTP_ILLEGAL;
}
+ break;
}
/* This is the expected block. Reset counters and ACK it. */
state->block = (unsigned short)rblock;
--
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