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Message-Id: <20200403180648.721362-9-gladkov.alexey@gmail.com>
Date: Fri, 3 Apr 2020 20:06:48 +0200
From: Alexey Gladkov <gladkov.alexey@...il.com>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Kernel Hardening <kernel-hardening@...ts.openwall.com>,
Linux API <linux-api@...r.kernel.org>,
Linux FS Devel <linux-fsdevel@...r.kernel.org>,
Linux Security Module <linux-security-module@...r.kernel.org>,
Akinobu Mita <akinobu.mita@...il.com>,
Alexander Viro <viro@...iv.linux.org.uk>,
Alexey Dobriyan <adobriyan@...il.com>,
Alexey Gladkov <legion@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Andy Lutomirski <luto@...nel.org>,
Daniel Micay <danielmicay@...il.com>,
Djalal Harouni <tixxdz@...il.com>,
"Dmitry V . Levin" <ldv@...linux.org>,
"Eric W . Biederman" <ebiederm@...ssion.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Ingo Molnar <mingo@...nel.org>,
"J . Bruce Fields" <bfields@...ldses.org>,
Jeff Layton <jlayton@...chiereds.net>,
Jonathan Corbet <corbet@....net>,
Kees Cook <keescook@...omium.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Oleg Nesterov <oleg@...hat.com>,
David Howells <dhowells@...hat.com>
Subject: [PATCH v11 8/8] proc: use named enums for better readability
Signed-off-by: Alexey Gladkov <gladkov.alexey@...il.com>
Reviewed-by: Alexey Dobriyan <adobriyan@...il.com>
Reviewed-by: Kees Cook <keescook@...omium.org>
---
fs/proc/base.c | 2 +-
fs/proc/inode.c | 2 +-
fs/proc/root.c | 4 ++--
include/linux/proc_fs.h | 8 ++++----
4 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 1ebe9eba48ea..2f2f7b36c947 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 d38a9e592352..8f3681723108 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -166,7 +166,7 @@ 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 c6caae9e4308..9d6ce3710f4f 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 afd38cae2339..3701f49eb299 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -28,7 +28,7 @@ struct proc_ops {
};
/* definitions for hide_pid field */
-enum {
+enum proc_hidepid {
HIDEPID_OFF = 0,
HIDEPID_NO_ACCESS = 1,
HIDEPID_INVISIBLE = 2,
@@ -36,7 +36,7 @@ enum {
};
/* definitions for proc mount option pidonly */
-enum {
+enum proc_pidonly {
PROC_PIDONLY_OFF = 0,
PROC_PIDONLY_ON = 1,
};
@@ -46,8 +46,8 @@ 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)
--
2.25.2
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