From ea74f928cd8c9cc8c42c8dee3543cd3f634c5cde Mon Sep 17 00:00:00 2001
From: Ryan Fleury <ryan.j.fleury@gmail.com>
Date: Tue, 12 Mar 2024 15:51:26 -0700
Subject: [PATCH] fix process memory cache query mechanism when ring buffer is
 near capacity

---
 src/ctrl/ctrl_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/ctrl/ctrl_core.c b/src/ctrl/ctrl_core.c
index a0444c90..5c4b696a 100644
--- a/src/ctrl/ctrl_core.c
+++ b/src/ctrl/ctrl_core.c
@@ -1013,8 +1013,7 @@ ctrl_stored_hash_from_process_vaddr_range(CTRL_MachineID machine_id, DMN_Handle
     //- rjf: not good, or is stale -> submit hash request
     if((!is_good || is_stale) && os_now_microseconds() >= last_time_requested_us+10000)
     {
-      ctrl_u2ms_enqueue_req(machine_id, process, range, zero_terminated, endt_us);
-      OS_MutexScopeW(process_stripe->rw_mutex)
+      if(ctrl_u2ms_enqueue_req(machine_id, process, range, zero_terminated, endt_us)) OS_MutexScopeW(process_stripe->rw_mutex)
       {
         for(CTRL_ProcessMemoryCacheNode *n = process_slot->first; n != 0; n = n->next)
         {