From 6e79add03f41d5badbb11248baef9491e48fd7ae Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@google.com>
Date: Tue, 4 Apr 2023 09:48:33 -0700
Subject: [PATCH] [data-poll-sender] clamp poll period based on child timeout
 (#8927)

---
 src/core/mac/data_poll_sender.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/core/mac/data_poll_sender.cpp b/src/core/mac/data_poll_sender.cpp
index 84486ffd2..acc968c5c 100644
--- a/src/core/mac/data_poll_sender.cpp
+++ b/src/core/mac/data_poll_sender.cpp
@@ -542,8 +542,10 @@ uint32_t DataPollSender::CalculatePollPeriod(void) const
 
 uint32_t DataPollSender::GetDefaultPollPeriod(void) const
 {
-    uint32_t period    = Time::SecToMsec(Get<Mle::MleRouter>().GetTimeout());
     uint32_t pollAhead = static_cast<uint32_t>(kRetxPollPeriod) * kMaxPollRetxAttempts;
+    uint32_t period;
+
+    period = Time::SecToMsec(Min(Get<Mle::MleRouter>().GetTimeout(), Time::MsecToSec(TimerMilli::kMaxDelay)));
 
 #if OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE && OPENTHREAD_CONFIG_MAC_CSL_AUTO_SYNC_ENABLE
     if (Get<Mac::Mac>().IsCslEnabled())