From: Alexey Gladkov <gladkov.alexey@gmail.com>
To: LKML <linux-kernel@vger.kernel.org>,
Kernel Hardening <kernel-hardening@lists.openwall.com>,
Linux API <linux-api@vger.kernel.org>,
Linux FS Devel <linux-fsdevel@vger.kernel.org>,
Linux Security Module <linux-security-module@vger.kernel.org>
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Alexey Dobriyan <adobriyan@gmail.com>,
Alexey Gladkov <legion@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Andy Lutomirski <luto@kernel.org>,
Daniel Micay <danielmicay@gmail.com>,
Djalal Harouni <tixxdz@gmail.com>,
"Dmitry V . Levin" <ldv@altlinux.org>,
"Eric W . Biederman" <ebiederm@xmission.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ingo Molnar <mingo@kernel.org>,
"J . Bruce Fields" <bfields@fieldses.org>,
Jeff Layton <jlayton@poochiereds.net>,
Jonathan Corbet <corbet@lwn.net>,
Kees Cook <keescook@chromium.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>
Subject: [PATCH v9 9/8] proc: use named enums for better readability
Date: Wed, 25 Mar 2020 18:42:45 +0100 [thread overview]
Message-ID: <20200325174245.298009-1-gladkov.alexey@gmail.com> (raw)
In-Reply-To: <CAHk-=whXbgW7-FYL4Rkaoh8qX+CkS5saVGP2hsJPV0c+EZ6K7A@mail.gmail.com>
Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>
---
fs/proc/base.c | 2 +-
fs/proc/inode.c | 2 +-
fs/proc/root.c | 4 ++--
include/linux/proc_fs.h | 6 +++---
include/uapi/linux/proc_fs.h | 2 +-
5 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index a836979e42fe..608d60fb79fb 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -699,7 +699,7 @@ int proc_setattr(struct dentry *dentry, struct iattr *attr)
*/
static bool has_pid_permissions(struct proc_fs_info *fs_info,
struct task_struct *task,
- int hide_pid_min)
+ enum proc_hidepid hide_pid_min)
{
/*
* If 'hidpid' mount option is set force a ptrace check,
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index a462fd111719..7870e0be0a1f 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -165,7 +165,7 @@ void proc_invalidate_siblings_dcache(struct hlist_head *inodes, spinlock_t *lock
deactivate_super(old_sb);
}
-static inline const char *hidepid2str(int v)
+static inline const char *hidepid2str(enum proc_hidepid v)
{
switch (v) {
case HIDEPID_OFF: return "off";
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 42f3ee05c584..de7cee435621 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -32,9 +32,9 @@
struct proc_fs_context {
struct proc_fs_info *fs_info;
unsigned int mask;
- int hidepid;
+ enum proc_hidepid hidepid;
int gid;
- int pidonly;
+ enum proc_pidonly pidonly;
};
enum proc_param {
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index d259817ec913..b9f7ecd7f61f 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -29,7 +29,7 @@ struct proc_ops {
};
/* definitions for proc mount option pidonly */
-enum {
+enum proc_pidonly {
PROC_PIDONLY_OFF = 0,
PROC_PIDONLY_ON = 1,
};
@@ -39,8 +39,8 @@ struct proc_fs_info {
struct dentry *proc_self; /* For /proc/self */
struct dentry *proc_thread_self; /* For /proc/thread-self */
kgid_t pid_gid;
- int hide_pid;
- int pidonly;
+ enum proc_hidepid hide_pid;
+ enum proc_pidonly pidonly;
};
static inline struct proc_fs_info *proc_sb_info(struct super_block *sb)
diff --git a/include/uapi/linux/proc_fs.h b/include/uapi/linux/proc_fs.h
index dc6d717aa6ec..f5fe0e8dcfe4 100644
--- a/include/uapi/linux/proc_fs.h
+++ b/include/uapi/linux/proc_fs.h
@@ -3,7 +3,7 @@
#define _UAPI_PROC_FS_H
/* definitions for hide_pid field */
-enum {
+enum proc_hidepid {
HIDEPID_OFF = 0,
HIDEPID_NO_ACCESS = 1,
HIDEPID_INVISIBLE = 2,
--
2.25.2
next prev parent reply other threads:[~2020-03-25 17:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-24 20:44 [PATCH RESEND v9 0/8] proc: modernize proc to support multiple private instances Alexey Gladkov
2020-03-24 20:44 ` [PATCH RESEND v9 1/8] proc: rename struct proc_fs_info to proc_fs_opts Alexey Gladkov
2020-03-24 20:44 ` [PATCH RESEND v9 2/8] proc: allow to mount many instances of proc in one pid namespace Alexey Gladkov
2020-03-24 20:44 ` [PATCH RESEND v9 3/8] proc: move hide_pid, pid_gid from pid_namespace to proc_fs_info Alexey Gladkov
2020-03-24 21:21 ` Linus Torvalds
2020-03-25 17:42 ` Alexey Gladkov [this message]
2020-03-25 19:16 ` [PATCH v9 9/8] proc: use named enums for better readability Kees Cook
2020-03-25 18:00 ` [PATCH RESEND v9 3/8] proc: move hide_pid, pid_gid from pid_namespace to proc_fs_info Alexey Dobriyan
2020-03-25 19:04 ` Alexey Gladkov
2020-03-24 20:44 ` [PATCH RESEND v9 4/8] proc: instantiate only pids that we can ptrace on 'hidepid=4' mount option Alexey Gladkov
2020-03-24 20:44 ` [PATCH RESEND v9 5/8] proc: add option to mount only a pids subset Alexey Gladkov
2020-03-24 20:44 ` [PATCH RESEND v9 6/8] docs: proc: add documentation for "hidepid=4" and "subset=pidfs" options and new mount behavior Alexey Gladkov
2020-03-24 20:44 ` [PATCH RESEND v9 7/8] proc: move hidepid values to uapi as they are user interface to mount Alexey Gladkov
2020-03-24 20:44 ` [PATCH RESEND v9 8/8] proc: use human-readable values for hidehid Alexey Gladkov
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