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Message-Id: <20200325174245.298009-1-gladkov.alexey@gmail.com> Date: Wed, 25 Mar 2020 18:42:45 +0100 From: Alexey Gladkov <gladkov.alexey@...il.com> To: LKML <linux-kernel@...r.kernel.org>, 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> Cc: 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> Subject: [PATCH v9 9/8] proc: use named enums for better readability Signed-off-by: Alexey Gladkov <gladkov.alexey@...il.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
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