modpost: mismatch_handler: retrieve tosym information only when needed.

Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 4 insertions, 3 deletions

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index c69681e815b2..bf0cf8173beb 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1432,16 +1432,17 @@ static void default_mismatch_handler(const char *modname, struct elf_info *elf,
         const char *tosym;
         const char *fromsym;
 
-        tosec = sec_name(elf, get_secindex(elf, sym));
         from = find_elf_symbol2(elf, r->r_offset, fromsec);
         fromsym = sym_name(elf, from);
-        to = find_elf_symbol(elf, r->r_addend, sym);
-        tosym = sym_name(elf, to);
 
         if (!strncmp(fromsym, "reference___initcall",
                      sizeof("reference___initcall")-1))
                 return;
 
+        tosec = sec_name(elf, get_secindex(elf, sym));
+        to = find_elf_symbol(elf, r->r_addend, sym);
+        tosym = sym_name(elf, to);
+
         /* check whitelist - we may ignore it */
         if (secref_whitelist(mismatch,
                              fromsec, fromsym, tosec, tosym)) {