1From 339ad47548236f2b11ee6161a419db8aa664138c Mon Sep 17 00:00:00 2001 2From: jiangheng <jiangheng14@huawei.com> 3Date: Fri, 15 Sep 2023 09:33:56 +0800 4Subject: [PATCH] fix pbuf->tot_len incorrect after pbuf_split_64k is called 5 6--- 7 src/core/pbuf.c | 5 +---- 8 1 file changed, 1 insertion(+), 4 deletions(-) 9 10diff --git a/src/core/pbuf.c b/src/core/pbuf.c 11index 2385e57..8a55463 100644 12--- a/src/core/pbuf.c 13+++ b/src/core/pbuf.c 14@@ -1194,7 +1194,7 @@ void pbuf_split_64k(struct pbuf *p, struct pbuf **rest) 15 if (r != NULL) { 16 /* Update the tot_len field in the first part */ 17 for (i = p; i != NULL; i = i->next) { 18- i->tot_len = tot_len_front; 19+ i->tot_len = (u16_t)(i->tot_len - r->tot_len); 20 LWIP_ASSERT("tot_len/len mismatch in last pbuf", 21 (i->next != NULL) || (i->tot_len == i->len)); 22 } 23@@ -1205,9 +1205,6 @@ void pbuf_split_64k(struct pbuf *p, struct pbuf **rest) 24 /* tot_len field in rest does not need modifications */ 25 /* reference counters do not need modifications */ 26 *rest = r; 27- r->tot_len = r->len; 28- }else{ 29- p->tot_len = tot_len_front; 30 } 31 } 32 } 33-- 342.27.0 35 36