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Simplify kallsyms_lookup()

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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>
This commit is contained in:
Alexey Dobriyan
2007-05-08 00:28:41 -07:00
committed by Linus Torvalds
parent ea07890a68
commit ffb4512276
10 changed files with 20 additions and 28 deletions
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6
kernel/module.c
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@@ -2098,8 +2098,10 @@ static const char *get_ksymbol(struct module *mod,
if (!best)
return NULL;
*size = nextval - mod->symtab[best].st_value;
*offset = addr - mod->symtab[best].st_value;
if (size)
*size = nextval - mod->symtab[best].st_value;
if (offset)
*offset = addr - mod->symtab[best].st_value;
return mod->strtab + mod->symtab[best].st_name;
}