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-rw-r--r--include/linux/eventfd.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
index 7094718b653b..ffcc7724ca21 100644
--- a/include/linux/eventfd.h
+++ b/include/linux/eventfd.h
@@ -11,6 +11,7 @@
#include <linux/fcntl.h>
#include <linux/wait.h>
+#include <linux/err.h>
/*
* CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining