On 11/9/17, Djalal Harouni <tixxdz@xxxxxxxxx> wrote:
> --- a/fs/proc/base.c
> +++ b/fs/proc/base.c
> -static bool has_pid_permissions(struct pid_namespace *pid,
> +static bool has_pid_permissions(struct proc_fs_info *fs_info,
More "const".
> diff --git a/fs/proc/inode.c b/fs/proc/inode.c
> index 9abc370..bdd808d 100644
> --- a/fs/proc/inode.c
> +++ b/fs/proc/inode.c
> @@ -476,11 +476,12 @@ struct inode *proc_get_inode(struct super_block *sb,
> struct proc_dir_entry *de)
> int proc_fill_super(struct super_block *s, void *data, int silent)
> {
> struct proc_fs_info *fs_info = proc_sb(s);
> - struct pid_namespace *ns = get_pid_ns(fs_info->pid_ns);
> struct inode *root_inode;
> int ret;
>
> - if (!proc_parse_options(data, ns))
> + get_pid_ns(fs_info->pid_ns);
> +
> + if (!proc_parse_options(data, fs_info))
> return -EINVAL;
>
> /* User space would break if executables or devices appear on proc */
> diff --git a/fs/proc/internal.h b/fs/proc/internal.h
> index 4a67188..10bc7be 100644
> --- a/fs/proc/internal.h
> +++ b/fs/proc/internal.h
> @@ -240,7 +240,7 @@ static inline void proc_tty_init(void) {}
> * root.c
> */
> extern struct proc_dir_entry proc_root;
> -extern int proc_parse_options(char *options, struct pid_namespace *pid);
> +extern int proc_parse_options(char *options, struct proc_fs_info
> *fs_info);
"extern" can be dropped if you're touching prototype anyway.
> +static inline int proc_fs_hide_pid(struct proc_fs_info *fs_info)
> +{
> + return fs_info->pid_ns->hide_pid;
> +}
> +
> +static inline kgid_t proc_fs_pid_gid(struct proc_fs_info *fs_info)
> +{
> + return fs_info->pid_ns->pid_gid;
> +}
More "const".
> @@ -59,6 +81,24 @@ static inline void proc_flush_task(struct task_struct
> *task)
> {
> }
>
> +static inline void proc_fs_set_hide_pid(struct proc_fs_info *fs_info, int
> hide_pid)
> +{
> +}
> +
> +static inline void proc_fs_set_pid_gid(struct proc_info_fs *fs_info, kgid_t
> gid)
> +{
> +}
> +
> +static inline int proc_fs_hide_pid(struct proc_fs_info *fs_info)
> +{
> + return 0;
> +}
> +
> +extern kgid_t proc_fs_pid_gid(struct proc_fs_info *fs_info)
ehh?
> +{
> + return GLOBAL_ROOT_GID;
> +}
--
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