From 990ef9182b5b7cb63be8da918fe38865b3ab840a Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Mon, 17 Jul 2023 19:58:58 +0100
Subject: include/exec: Add WITH_MMAP_LOCK_GUARD

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/mmap.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'linux-user/mmap.c')

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 44b53bd446..a5dfb56545 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -36,6 +36,7 @@ void mmap_lock(void)
 
 void mmap_unlock(void)
 {
+    assert(mmap_lock_count > 0);
     if (--mmap_lock_count == 0) {
         pthread_mutex_unlock(&mmap_mutex);
     }
-- 
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