Hi Kees,
sparse (make C=1) gives me this warnings today... ./include/linux/overflow.h:254:13: error: undefined identifier '__builtin_mul_overflow' ./include/linux/overflow.h:254:13: error: incorrect type in conditional ./include/linux/overflow.h:254:13: got void ./include/linux/overflow.h:256:13: error: undefined identifier '__builtin_add_overflow' ./include/linux/overflow.h:256:13: error: incorrect type in conditional ./include/linux/overflow.h:256:13: got void This hunk obviously fixes it, but I'm really not sure if it is a proper fix. diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index f1a7492a5cc8..15e55b89e952 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -344,6 +344,6 @@ */ #define uninitialized_var(x) x = x -#if GCC_VERSION >= 50100 +#if GCC_VERSION >= 50100 && !defined(__CHECKER__) #define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 #endif Any idea? Regards, Miroslav