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-rw-r--r--tools/lib/lockdep/uinclude/linux/kernel.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/lockdep/uinclude/linux/kernel.h b/tools/lib/lockdep/uinclude/linux/kernel.h
index faa98cc7971a..75ff4b1bbcac 100644
--- a/tools/lib/lockdep/uinclude/linux/kernel.h
+++ b/tools/lib/lockdep/uinclude/linux/kernel.h
@@ -6,6 +6,7 @@
#include <linux/rcu.h>
#include <linux/hardirq.h>
#include <linux/kern_levels.h>
+#include <linux/err.h>
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))