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lwip: fix socket memory leak issue

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1. Add socket memory leak debug counter
2. Fix TCP PCB leak issue
This commit is contained in:
Liu Zhi Fu
2016-11-19 14:57:42 +08:00
parent 139fdcb9ec
commit ab92d43bc6
7 changed files with 102 additions and 74 deletions
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3
components/lwip/core/tcp_out.c
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@@ -176,7 +176,8 @@ tcp_create_segment(struct tcp_pcb *pcb, struct pbuf *p, u8_t flags, u32_t seqno,
struct tcp_seg *seg;
u8_t optlen = LWIP_TCP_OPT_LENGTH(optflags);
if ((seg = (struct tcp_seg *)memp_malloc(MEMP_TCP_SEG)) == NULL) {
seg = (struct tcp_seg *)memp_malloc(MEMP_TCP_SEG);
if (seg == NULL) {
LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("tcp_create_segment: no memory.\n"));
pbuf_free(p);
return NULL;