Re: [PATCH 1/2] livepatch: remove unnecessary call to klp_find_object_module()

From: Petr Mladek
Date: Wed Mar 04 2015 - 03:59:27 EST


On Tue 2015-03-03 17:02:21, Josh Poimboeuf wrote:
> klp_find_object_module() is called from both the klp register and enable
> paths. Only the call from the register path is necessary because the
> module notifier will let us know if the patched module gets loaded or
> unloaded.
>
> Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

Reviewed-by: Petr Mladek <pmladek@xxxxxxx>

Yup, the call is redundant.

Best Regards,
Petr

> ---
> kernel/livepatch/core.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
> index 01ca088..a74e4e8 100644
> --- a/kernel/livepatch/core.c
> +++ b/kernel/livepatch/core.c
> @@ -541,8 +541,6 @@ static int __klp_enable_patch(struct klp_patch *patch)
> pr_notice("enabling patch '%s'\n", patch->mod->name);
>
> for (obj = patch->objs; obj->funcs; obj++) {
> - klp_find_object_module(obj);
> -
> if (!klp_is_object_loaded(obj))
> continue;
>
> --
> 2.1.0
>
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