[PATCH 1/1] ARM: add printf format attribute to early_print()

[Nicolas Iooss]

Adding such an attribute is helpful to detect errors related to printf
formats at compile-time.

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux at m4x.org>
---
 arch/arm/include/asm/setup.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 3613d7e9fc40..797b8505b49a 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -22,7 +22,7 @@
 static const struct tagtable __tagtable_##fn __tag = { tag, fn }
 
 extern int arm_add_memory(u64 start, u64 size);
-extern void early_print(const char *str, ...);
+extern __printf(1, 2) void early_print(const char *str, ...);
 extern void dump_machine_table(void);
 
 #ifdef CONFIG_ATAGS_PROC
-- 
2.9.3