On Wed, May 09, 2018 at 02:43:30PM +0300, Adrian Hunter wrote:
> Simplify logic in update_iter_mod().
> 
> Signed-off-by: Adrian Hunter <[email protected]>
> ---
>  kernel/kallsyms.c | 20 ++++++--------------
>  1 file changed, 6 insertions(+), 14 deletions(-)
> 
> diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
> index a23e21ada81b..eda4b0222dab 100644
> --- a/kernel/kallsyms.c
> +++ b/kernel/kallsyms.c
> @@ -510,23 +510,15 @@ static int update_iter_mod(struct kallsym_iter *iter, 
> loff_t pos)
>  {
>       iter->pos = pos;
>  
> -     if (iter->pos_ftrace_mod_end > 0 &&
> -         iter->pos_ftrace_mod_end < iter->pos)
> -             return get_ksymbol_bpf(iter);
> -
> -     if (iter->pos_mod_end > 0 &&
> -         iter->pos_mod_end < iter->pos) {
> -             if (!get_ksymbol_ftrace_mod(iter))
> -                     return get_ksymbol_bpf(iter);
> +     if ((!iter->pos_mod_end || iter->pos_mod_end > pos) &&
> +         get_ksymbol_mod(iter))
>               return 1;

hum, should that be iter->pos_mod_end >= pos ?


> -     }
>  
> -     if (!get_ksymbol_mod(iter)) {
> -             if (!get_ksymbol_ftrace_mod(iter))
> -                     return get_ksymbol_bpf(iter);
> -     }
> +     if ((!iter->pos_ftrace_mod_end || iter->pos_ftrace_mod_end > pos) &&
> +         get_ksymbol_ftrace_mod(iter))

same here? iter->pos_ftrace_mod_end >= pos

jirka

> +             return 1;
>  
> -     return 1;
> +     return get_ksymbol_bpf(iter);
>  }
>  
>  /* Returns false if pos at or past end of file. */
> -- 
> 1.9.1
> 

Reply via email to