Simplify kallsyms_lookup()
Several kallsyms_lookup() pass dummy arguments but only need, say, module's
name. Make kallsyms_lookup() accept NULLs where possible.
Also, makes picture clearer about what interfaces are needed for all symbol
resolving business.
Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index c1e308a..7f57313 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -340,10 +340,7 @@
const char * __get_key_name(struct lockdep_subclass_key *key, char *str)
{
- unsigned long offs, size;
- char *modname;
-
- return kallsyms_lookup((unsigned long)key, &size, &offs, &modname, str);
+ return kallsyms_lookup((unsigned long)key, NULL, NULL, NULL, str);
}
void
