On Fri, May 29, 2020 at 07:41:06AM +0000, Luis Chamberlain wrote:
> From: Xiaoming Ni <nixiaoming@xxxxxxxxxx>
>
> Move random_table sysctl from kernel/sysctl.c to drivers/char/random.c
> and use register_sysctl_subdir() to help remove the clutter out of
> kernel/sysctl.c.
>
> Signed-off-by: Xiaoming Ni <nixiaoming@xxxxxxxxxx>
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> ---
> drivers/char/random.c | 14 ++++++++++++--
> include/linux/sysctl.h | 1 -
> kernel/sysctl.c | 5 -----
> 3 files changed, 12 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/char/random.c b/drivers/char/random.c
> index a7cf6aa65908..73fd4b6e9c18 100644
> --- a/drivers/char/random.c
> +++ b/drivers/char/random.c
> @@ -2101,8 +2101,7 @@ static int proc_do_entropy(struct ctl_table *table, int write,
> }
>
> static int sysctl_poolsize = INPUT_POOL_WORDS * 32;
> -extern struct ctl_table random_table[];
> -struct ctl_table random_table[] = {
> +static struct ctl_table random_table[] = {
> {
> .procname = "poolsize",
> .data = &sysctl_poolsize,
> @@ -2164,6 +2163,17 @@ struct ctl_table random_table[] = {
> #endif
> { }
> };
> +
> +/*
> + * rand_initialize() is called before sysctl_init(),
> + * so we cannot call register_sysctl_init() in rand_initialize()
> + */
> +static int __init random_sysctls_init(void)
> +{
> + register_sysctl_subdir("kernel", "random", random_table);
No error checking?
:(
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