TFTP'ing a file of size 1747851 bytes with CONFIG_IP_DEFRAG and
CONFIG_TFTP_BLOCKSIZE set to 4096 fails with a timeout, because
the last fragment is not taken into account. This patch fixes
IP fragments having less than 8 bytes of payload.
Signed-off-by: Stephane Fillod <stephane.fil...@grassvalley.com>
Acked-by: Alessandro Rubini <rub...@gnudd.com>
---
Many thanks to Alessandro for the explanation and the better suggestion.
PS: Sorry for my stinky MUA breaking References: field :-(
--- a/net/net.c 31 Mar 2010 21:54:39
+++ b/net/net.c 11 Jun 2010 15:36:37
@@ -1201,7 +1201,8 @@ static IP_t *__NetDefragment(IP_t *ip, i
h = payload + h->next_hole;
}
- if (offset8 + (len / 8) <= h - payload) {
+ /* last fragment may be 1..7 bytes, the "+7" forces acceptance
*/
+ if (offset8 + ((len + 7) / 8) <= h - payload) {
/* no overlap with holes (dup fragment?) */
return NULL;
}
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