modpost: unify 'sym' and 'to' in default_mismatch_handler()

find_tosym() takes 'sym' and stores the return value to another
variable 'to'. You can use the same variable because we want to
replace the original one when appropriate.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index c0b262b..9290e0f 100644 (file)
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1185,11 +1185,10 @@ static bool is_executable_section(struct elf_info *elf, unsigned int secndx)
 
 static void default_mismatch_handler(const char *modname, struct elf_info *elf,
                                     const struct sectioncheck* const mismatch,
-                                    Elf_Rela *r, Elf_Sym *sym,
+                                    Elf_Rela *r, Elf_Sym *tsym,
                                     unsigned int fsecndx, const char *fromsec,
                                     const char *tosec)
 {
-       Elf_Sym *to;
        Elf_Sym *from;
        const char *tosym;
        const char *fromsym;
@@ -1197,8 +1196,8 @@ static void default_mismatch_handler(const char *modname, struct elf_info *elf,
        from = find_fromsym(elf, r->r_offset, fsecndx);
        fromsym = sym_name(elf, from);
 
-       to = find_tosym(elf, r->r_addend, sym);
-       tosym = sym_name(elf, to);
+       tsym = find_tosym(elf, r->r_addend, tsym);
+       tosym = sym_name(elf, tsym);
 
        /* check whitelist - we may ignore it */
        if (!secref_whitelist(fromsec, fromsym, tosec, tosym))
@@ -1233,7 +1232,7 @@ static void default_mismatch_handler(const char *modname, struct elf_info *elf,
                              "You might get more information about where this is\n"
                              "coming from by using scripts/check_extable.sh %s\n",
                              fromsec, (long)r->r_offset, tosec, modname);
-               else if (is_executable_section(elf, get_secindex(elf, sym)))
+               else if (is_executable_section(elf, get_secindex(elf, tsym)))
                        warn("The relocation at %s+0x%lx references\n"
                             "section \"%s\" which is not in the list of\n"
                             "authorized sections.  If you're adding a new section\n"