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Fix that pbuf_realloc() called mem_trim() for "custom" PBUF_RAM

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sg 2015-08-05 20:40:35 +02:00
parent 767d0d9046
commit 76e785dd5e
1 changed files with 5 additions and 1 deletions
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6
src/core/pbuf.c
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@ -476,7 +476,11 @@ pbuf_realloc(struct pbuf *p, u16_t new_len)
/* shrink allocated memory for PBUF_RAM */ /* shrink allocated memory for PBUF_RAM */
/* (other types merely adjust their length fields */ /* (other types merely adjust their length fields */
if ((q->type == PBUF_RAM) && (rem_len != q->len)) { if ((q->type == PBUF_RAM) && (rem_len != q->len)
#if LWIP_SUPPORT_CUSTOM_PBUF
&& ((q->flags & PBUF_FLAG_IS_CUSTOM) == 0)
#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
) {
/* reallocate and adjust the length of the pbuf that will be split */ /* reallocate and adjust the length of the pbuf that will be split */
q = (struct pbuf *)mem_trim(q, (u16_t)((u8_t *)q->payload - (u8_t *)q) + rem_len); q = (struct pbuf *)mem_trim(q, (u16_t)((u8_t *)q->payload - (u8_t *)q) + rem_len);
LWIP_ASSERT("mem_trim returned q == NULL", q != NULL); LWIP_ASSERT("mem_trim returned q == NULL", q != NULL);