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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-11 08:09:25 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-11 08:09:25 +0100
commit591afd6e5a5045a7c0fe3fc6a26c55d8030bbf9f (patch)
tree9028c6bdb3b5a2536b74deeaa4901f94ba7a3b84 /include/linux/compiler_attributes.h
parent59b26d2e96c473b7b65cfe19381444d034e91715 (diff)
parent7c53f6b671f4aba70ff15e1b05148b10d58c2837 (diff)
Merge 5.11-rc3 into char-misc-next
We need the char/misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/compiler_attributes.h')
-rw-r--r--include/linux/compiler_attributes.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h
index b2a3f4f641a7..ea5e04e75845 100644
--- a/include/linux/compiler_attributes.h
+++ b/include/linux/compiler_attributes.h
@@ -273,6 +273,12 @@
#define __used __attribute__((__used__))
/*
+ * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-warn_005funused_005fresult-function-attribute
+ * clang: https://clang.llvm.org/docs/AttributeReference.html#nodiscard-warn-unused-result
+ */
+#define __must_check __attribute__((__warn_unused_result__))
+
+/*
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-weak-variable-attribute
*/