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| author | Alexey Dobriyan <adobriyan@sw.ru> | 2007-05-08 09:28:41 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 20:15:08 +0200 |
| commit | ffb45122766db220d0bf3d01848d575fbbcb6430 (patch) | |
| tree | a8fedf0518407ad12578a7c03aa2c3344f11ff3c /kernel/module.c | |
| parent | Fix race between rmmod and cat /proc/kallsyms (diff) | |
| download | linux-ffb45122766db220d0bf3d01848d575fbbcb6430.tar.xz linux-ffb45122766db220d0bf3d01848d575fbbcb6430.zip | |
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>
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/module.c b/kernel/module.c index 5ee65994a3bc..bf4dccadf7b8 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -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; } |