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fixed bug #39683 Assertion "seg->tcphdr not aligned" failed with MEM_ALIGNMENT 1 or 2

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We used a static 4 instead of MEM_ALIGNMENT earlier, however it broke
things for MEM_ALIGNMENT 1 or 2, fixed using a LWIP_MIN(MEM_ALIGNMENT,
4) statement.
This commit is contained in:
Sylvain Rochet 2015-05-11 11:21:08 +02:00
parent cbeb5ab960
commit 8c1f834a4a
1 changed files with 1 additions and 1 deletions
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2
src/core/tcp_out.c
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@ -816,7 +816,7 @@ tcp_enqueue_flags(struct tcp_pcb *pcb, u8_t flags)
TCP_STATS_INC(tcp.memerr);
return ERR_MEM;
}
LWIP_ASSERT("seg->tcphdr not aligned", ((mem_ptr_t)seg->tcphdr % 4) == 0);
LWIP_ASSERT("seg->tcphdr not aligned", ((mem_ptr_t)seg->tcphdr % LWIP_MIN(MEM_ALIGNMENT, 4)) == 0);
LWIP_ASSERT("tcp_enqueue_flags: invalid segment length", seg->len == 0);
LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_TRACE,