summaryrefslogtreecommitdiffstats
path: root/include/linux/compiler-clang.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/compiler-clang.h')
-rw-r--r--include/linux/compiler-clang.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index 6cfd6902b..9b673fefc 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -5,6 +5,15 @@
/* Compiler specific definitions for Clang compiler */
+/*
+ * Clang prior to 17 is being silly and considers many __cleanup() variables
+ * as unused (because they are, their sole purpose is to go out of scope).
+ *
+ * https://reviews.llvm.org/D152180
+ */
+#undef __cleanup
+#define __cleanup(func) __maybe_unused __attribute__((__cleanup__(func)))
+
/* same as gcc, this was present in clang-2.6 so we can assume it works
* with any version that can compile the kernel
*/