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-rw-r--r--tools/testing/radix-tree/regression1.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/radix-tree/regression1.c b/tools/testing/radix-tree/regression1.c
index 2d03a63bb79c..0d6813a61b37 100644
--- a/tools/testing/radix-tree/regression1.c
+++ b/tools/testing/radix-tree/regression1.c
@@ -43,7 +43,7 @@
#include "regression.h"
static RADIX_TREE(mt_tree, GFP_KERNEL);
-static pthread_mutex_t mt_lock;
+static pthread_mutex_t mt_lock = PTHREAD_MUTEX_INITIALIZER;
struct page {
pthread_mutex_t lock;