From 592b7bc1d6819e4b5c4e95164d26bb7e27be9c4c Mon Sep 17 00:00:00 2001
From: Krisztian Szilvasi <34309983+kr-t@users.noreply.github.com>
Date: Wed, 3 Dec 2025 12:10:22 +0100
Subject: [PATCH] Update the lg_crcv for each block to prevent premature
 release during long transfers.

Signed-off-by: Krisztian Szilvasi <34309983+kr-t@users.noreply.github.com>
---
 src/coap_block.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/coap_block.c b/src/coap_block.c
index 2afe903b..0a1756e7 100644
--- a/src/coap_block.c
+++ b/src/coap_block.c
@@ -4160,6 +4160,9 @@ reinit:
         if (updated_block) {
           void *body_free;
 
+          /* Update last_used to prevent premature timeout during long transfers */
+          coap_ticks(&lg_crcv->last_used);
+
           if ((session->block_mode & COAP_SINGLE_BLOCK_OR_Q) || block.bert) {
             if (size2 < saved_offset + length) {
               size2 = saved_offset + length;