objtool: Don't consider vmlinux a C-file

Avoids issuing C-file warnings for vmlinux.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200618144801.701257527@infradead.org

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 3e214f879adae3354d7b33063012fc2f68e0efe5..d8eaa7dc53d51867e17a7c463566bc2e5bc88f8e 100644 (file)
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2772,7 +2772,7 @@ int check(const char *_objname, bool orc)
 
        INIT_LIST_HEAD(&file.insn_list);
        hash_init(file.insn_hash);
-       file.c_file = find_section_by_name(file.elf, ".comment");
+       file.c_file = !vmlinux && find_section_by_name(file.elf, ".comment");
        file.ignore_unreachables = no_unreachable;
        file.hints = false;