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-rw-r--r--mysys/thr_mutex.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mysys/thr_mutex.c b/mysys/thr_mutex.c
index aca1c1f7..8714a7a6 100644
--- a/mysys/thr_mutex.c
+++ b/mysys/thr_mutex.c
@@ -667,6 +667,7 @@ void safe_mutex_free_deadlock_data(safe_mutex_t *mp)
my_hash_free(mp->used_mutex);
my_hash_free(mp->locked_mutex);
my_free(mp->locked_mutex);
+ mp->locked_mutex= 0;
mp->create_flags|= MYF_NO_DEADLOCK_DETECTION;
}
}