[1/3] compiler-gcc: hide COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW from sparse
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Message ID 20181109093449.15037-1-johannes@sipsolutions.net
State New
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  • [1/3] compiler-gcc: hide COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW from sparse
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Commit Message

Johannes Berg Nov. 9, 2018, 9:34 a.m. UTC
From: Johannes Berg <johannes.berg@intel.com>

Sparse doesn't support all the overflow builtins, so just hide
them from it to avoid lots of warnings/errors reported by it.

We could try to teach them to sparse, but the passed types are
variable, and sparse doesn't seem to handle that well.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 include/linux/compiler-gcc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 2010493e1040..3154f2a84571 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -143,7 +143,7 @@ 
 #define KASAN_ABI_VERSION 3
 #endif
 
-#if GCC_VERSION >= 50100
+#if GCC_VERSION >= 50100 && !defined(__CHECKER__)
 #define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1
 #endif