From 6124c04c1344497e0cbfb505ddbd3b83090a4d51 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Wed, 6 Sep 2017 16:19:05 -0700
Subject: [PATCH] modpost: simplify sec_name()
There is code duplication between sec_name() and sech_name(). Simplify
sec_name() by re-using sech_name(). Also, move them up to remove the
forward declaration of sec_name().
Link: http://lkml.kernel.org/r/1502248721-22009-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
scripts/mod/modpost.c | 27 +++++++++++----------------
1 file changed, 11 insertions(+), 16 deletions(-)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 48397feb08fba..b920d186ad4a9 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -261,7 +261,17 @@ static enum export export_no(const char *s)
return export_unknown;
}
-static const char *sec_name(struct elf_info *elf, int secindex);
+static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr)
+{
+ return (void *)elf->hdr +
+ elf->sechdrs[elf->secindex_strings].sh_offset +
+ sechdr->sh_name;
+}
+
+static const char *sec_name(struct elf_info *elf, int secindex)
+{
+ return sech_name(elf, &elf->sechdrs[secindex]);
+}
#define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0)
@@ -775,21 +785,6 @@ static const char *sym_name(struct elf_info *elf, Elf_Sym *sym)
return "(unknown)";
}
-static const char *sec_name(struct elf_info *elf, int secindex)
-{
- Elf_Shdr *sechdrs = elf->sechdrs;
- return (void *)elf->hdr +
- elf->sechdrs[elf->secindex_strings].sh_offset +
- sechdrs[secindex].sh_name;
-}
-
-static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr)
-{
- return (void *)elf->hdr +
- elf->sechdrs[elf->secindex_strings].sh_offset +
- sechdr->sh_name;
-}
-
/* The pattern is an array of simple patterns.
* "foo" will match an exact string equal to "foo"
* "*foo" will match a string that ends with "foo"
--
2.30.2