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    Subject[v2 092/115] sysctl: sched: create empty dir with register_sysctl_dir
    Date
    Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com>
    ---
    kernel/sched.c | 19 ++++---------------
    1 files changed, 4 insertions(+), 15 deletions(-)

    diff --git a/kernel/sched.c b/kernel/sched.c
    index 8320365..5cda526 100644
    --- a/kernel/sched.c
    +++ b/kernel/sched.c
    @@ -6302,16 +6302,11 @@ static void register_sched_domain_sysctl(void)

    i = 0;
    for_each_possible_cpu(cpu) {
    - struct ctl_table *empty = kzalloc(sizeof(*empty), GFP_KERNEL);
    - if (empty == NULL)
    - goto unregister_sd_cpudir_headers;
    sd_path[SD_PATH_CPU].procname = sd_cpu_names[cpu];
    sd_path[SD_PATH_DOM].procname = NULL; /* end of array sentinel */
    - sd_cpudir_headers[i] = register_sysctl_paths(sd_path, empty);
    - if (sd_cpudir_headers[i] == NULL) {
    - kfree(empty);
    + sd_cpudir_headers[i] = register_sysctl_dir(sd_path);
    + if (sd_cpudir_headers[i] == NULL)
    goto unregister_sd_cpudir_headers;
    - }
    i++;
    }

    @@ -6347,11 +6342,8 @@ unregister_sd_domain_headers:
    i = sd_cpudir_headers_num;
    unregister_sd_cpudir_headers:
    i--;
    - for(; i >= 0; i--) {
    - struct ctl_table *table = sd_cpudir_headers[i]->ctl_table_arg;
    + for(; i >= 0; i--)
    unregister_sysctl_table(sd_cpudir_headers[i]);
    - kfree(table);
    - }

    kfree(sd_domain_headers);
    fail_alloc_sd_domain_headers:
    @@ -6391,11 +6383,8 @@ static void unregister_sched_domain_sysctl(void)
    kfree(table);
    }

    - for(i = sd_cpudir_headers_num - 1; i >= 0; i--) {
    - struct ctl_table *table = sd_cpudir_headers[i]->ctl_table_arg;
    + for(i = sd_cpudir_headers_num - 1; i >= 0; i--)
    unregister_sysctl_table(sd_cpudir_headers[i]);
    - kfree(table);
    - }

    kfree(sd_domain_headers);
    kfree(sd_cpudir_headers);
    --
    1.7.5.134.g1c08b


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