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-rw-r--r--scripts/dtc/dtc-lexer.l3
1 files changed, 2 insertions, 1 deletions
diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
index c600603044f3..fd825ebba69c 100644
--- a/scripts/dtc/dtc-lexer.l
+++ b/scripts/dtc/dtc-lexer.l
@@ -62,7 +62,8 @@ static int dts_version = 1;
static void push_input_file(const char *filename);
static bool pop_input_file(void);
-static void lexical_error(const char *fmt, ...);
+static void PRINTF(1, 2) lexical_error(const char *fmt, ...);
+
%}
%%