Convert S_<FOO> permissions to the more readable octal.

Done using:
$ ./scripts/checkpatch.pl -f --fix-inplace --types=SYMBOLIC_PERMS fs/proc/*.[ch]

No difference in generated .o files allyesconfig x86-64

Link: 
https://lore.kernel.org/lkml/ca+55afw5v23t-zvdzp-mmd_eyxf8wbafwwb59934fv7g21u...@mail.gmail.com/

Signed-off-by: Joe Perches <j...@perches.com>
---
 fs/proc/base.c        | 216 +++++++++++++++++++++++++-------------------------
 fs/proc/fd.c          |   6 +-
 fs/proc/generic.c     |   8 +-
 fs/proc/kcore.c       |   2 +-
 fs/proc/kmsg.c        |   2 +-
 fs/proc/namespaces.c  |   2 +-
 fs/proc/nommu.c       |   2 +-
 fs/proc/page.c        |   6 +-
 fs/proc/proc_sysctl.c |   8 +-
 fs/proc/proc_tty.c    |   2 +-
 fs/proc/root.c        |   2 +-
 fs/proc/self.c        |   2 +-
 fs/proc/thread_self.c |   2 +-
 fs/proc/vmcore.c      |   2 +-
 14 files changed, 131 insertions(+), 131 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 3851bfcdba56..49cf949fb295 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -135,7 +135,7 @@ struct pid_entry {
 #define DIR(NAME, MODE, iops, fops)    \
        NOD(NAME, (S_IFDIR|(MODE)), &iops, &fops, {} )
 #define LNK(NAME, get_link)                                    \
-       NOD(NAME, (S_IFLNK|S_IRWXUGO),                          \
+       NOD(NAME, (S_IFLNK | 0777),                             \
                &proc_pid_link_inode_operations, NULL,          \
                { .proc_get_link = get_link } )
 #define REG(NAME, MODE, fops)                          \
@@ -1840,7 +1840,7 @@ void task_dump_owner(struct task_struct *task, umode_t 
mode,
         * made this apply to all per process world readable and executable
         * directories.
         */
-       if (mode != (S_IFDIR|S_IRUGO|S_IXUGO)) {
+       if (mode != (S_IFDIR | 0555)) {
                struct mm_struct *mm;
                task_lock(task);
                mm = task->mm;
@@ -2235,8 +2235,8 @@ proc_map_files_instantiate(struct dentry *dentry,
        struct inode *inode;
 
        inode = proc_pid_make_inode(dentry->d_sb, task, S_IFLNK |
-                                   ((mode & FMODE_READ ) ? S_IRUSR : 0) |
-                                   ((mode & FMODE_WRITE) ? S_IWUSR : 0));
+                                   ((mode & FMODE_READ) ? 0400 : 0) |
+                                   ((mode & FMODE_WRITE) ? 0200 : 0));
        if (!inode)
                return ERR_PTR(-ENOENT);
 
@@ -3156,114 +3156,114 @@ static const struct file_operations 
proc_task_operations;
 static const struct inode_operations proc_task_inode_operations;
 
 static const struct pid_entry tgid_base_stuff[] = {
-       DIR("task",       S_IRUGO|S_IXUGO, proc_task_inode_operations, 
proc_task_operations),
-       DIR("fd",         S_IRUSR|S_IXUSR, proc_fd_inode_operations, 
proc_fd_operations),
-       DIR("map_files",  S_IRUSR|S_IXUSR, proc_map_files_inode_operations, 
proc_map_files_operations),
-       DIR("fdinfo",     S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, 
proc_fdinfo_operations),
-       DIR("ns",         S_IRUSR|S_IXUGO, proc_ns_dir_inode_operations, 
proc_ns_dir_operations),
+       DIR("task",       0555, proc_task_inode_operations, 
proc_task_operations),
+       DIR("fd",         0500, proc_fd_inode_operations, proc_fd_operations),
+       DIR("map_files",  0500, proc_map_files_inode_operations, 
proc_map_files_operations),
+       DIR("fdinfo",     0500, proc_fdinfo_inode_operations, 
proc_fdinfo_operations),
+       DIR("ns",         0511, proc_ns_dir_inode_operations, 
proc_ns_dir_operations),
 #ifdef CONFIG_NET
-       DIR("net",        S_IRUGO|S_IXUGO, proc_net_inode_operations, 
proc_net_operations),
+       DIR("net",        0555, proc_net_inode_operations, proc_net_operations),
 #endif
-       REG("environ",    S_IRUSR, proc_environ_operations),
-       REG("auxv",       S_IRUSR, proc_auxv_operations),
-       ONE("status",     S_IRUGO, proc_pid_status),
-       ONE("personality", S_IRUSR, proc_pid_personality),
-       ONE("limits",     S_IRUGO, proc_pid_limits),
+       REG("environ",    0400, proc_environ_operations),
+       REG("auxv",       0400, proc_auxv_operations),
+       ONE("status",     0444, proc_pid_status),
+       ONE("personality", 0400, proc_pid_personality),
+       ONE("limits",     0444, proc_pid_limits),
 #ifdef CONFIG_SCHED_DEBUG
-       REG("sched",      S_IRUGO|S_IWUSR, proc_pid_sched_operations),
+       REG("sched",      0644, proc_pid_sched_operations),
 #endif
 #ifdef CONFIG_SCHED_AUTOGROUP
-       REG("autogroup",  S_IRUGO|S_IWUSR, proc_pid_sched_autogroup_operations),
+       REG("autogroup",  0644, proc_pid_sched_autogroup_operations),
 #endif
 #ifdef CONFIG_TIME_NS
-       REG("timens_offsets",  S_IRUGO|S_IWUSR, proc_timens_offsets_operations),
+       REG("timens_offsets",  0644, proc_timens_offsets_operations),
 #endif
-       REG("comm",      S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
+       REG("comm",      0644, proc_pid_set_comm_operations),
 #ifdef CONFIG_HAVE_ARCH_TRACEHOOK
-       ONE("syscall",    S_IRUSR, proc_pid_syscall),
+       ONE("syscall",    0400, proc_pid_syscall),
 #endif
-       REG("cmdline",    S_IRUGO, proc_pid_cmdline_ops),
-       ONE("stat",       S_IRUGO, proc_tgid_stat),
-       ONE("statm",      S_IRUGO, proc_pid_statm),
-       REG("maps",       S_IRUGO, proc_pid_maps_operations),
+       REG("cmdline",    0444, proc_pid_cmdline_ops),
+       ONE("stat",       0444, proc_tgid_stat),
+       ONE("statm",      0444, proc_pid_statm),
+       REG("maps",       0444, proc_pid_maps_operations),
 #ifdef CONFIG_NUMA
-       REG("numa_maps",  S_IRUGO, proc_pid_numa_maps_operations),
+       REG("numa_maps",  0444, proc_pid_numa_maps_operations),
 #endif
-       REG("mem",        S_IRUSR|S_IWUSR, proc_mem_operations),
+       REG("mem",        0600, proc_mem_operations),
        LNK("cwd",        proc_cwd_link),
        LNK("root",       proc_root_link),
        LNK("exe",        proc_exe_link),
-       REG("mounts",     S_IRUGO, proc_mounts_operations),
-       REG("mountinfo",  S_IRUGO, proc_mountinfo_operations),
-       REG("mountstats", S_IRUSR, proc_mountstats_operations),
+       REG("mounts",     0444, proc_mounts_operations),
+       REG("mountinfo",  0444, proc_mountinfo_operations),
+       REG("mountstats", 0400, proc_mountstats_operations),
 #ifdef CONFIG_PROC_PAGE_MONITOR
-       REG("clear_refs", S_IWUSR, proc_clear_refs_operations),
-       REG("smaps",      S_IRUGO, proc_pid_smaps_operations),
-       REG("smaps_rollup", S_IRUGO, proc_pid_smaps_rollup_operations),
-       REG("pagemap",    S_IRUSR, proc_pagemap_operations),
+       REG("clear_refs", 0200, proc_clear_refs_operations),
+       REG("smaps",      0444, proc_pid_smaps_operations),
+       REG("smaps_rollup", 0444, proc_pid_smaps_rollup_operations),
+       REG("pagemap",    0400, proc_pagemap_operations),
 #endif
 #ifdef CONFIG_SECURITY
-       DIR("attr",       S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, 
proc_attr_dir_operations),
+       DIR("attr",       0555, proc_attr_dir_inode_operations, 
proc_attr_dir_operations),
 #endif
 #ifdef CONFIG_KALLSYMS
-       ONE("wchan",      S_IRUGO, proc_pid_wchan),
+       ONE("wchan",      0444, proc_pid_wchan),
 #endif
 #ifdef CONFIG_STACKTRACE
-       ONE("stack",      S_IRUSR, proc_pid_stack),
+       ONE("stack",      0400, proc_pid_stack),
 #endif
 #ifdef CONFIG_SCHED_INFO
-       ONE("schedstat",  S_IRUGO, proc_pid_schedstat),
+       ONE("schedstat",  0444, proc_pid_schedstat),
 #endif
 #ifdef CONFIG_LATENCYTOP
-       REG("latency",  S_IRUGO, proc_lstats_operations),
+       REG("latency",  0444, proc_lstats_operations),
 #endif
 #ifdef CONFIG_PROC_PID_CPUSET
-       ONE("cpuset",     S_IRUGO, proc_cpuset_show),
+       ONE("cpuset",     0444, proc_cpuset_show),
 #endif
 #ifdef CONFIG_CGROUPS
-       ONE("cgroup",  S_IRUGO, proc_cgroup_show),
+       ONE("cgroup",  0444, proc_cgroup_show),
 #endif
 #ifdef CONFIG_PROC_CPU_RESCTRL
-       ONE("cpu_resctrl_groups", S_IRUGO, proc_resctrl_show),
+       ONE("cpu_resctrl_groups", 0444, proc_resctrl_show),
 #endif
-       ONE("oom_score",  S_IRUGO, proc_oom_score),
-       REG("oom_adj",    S_IRUGO|S_IWUSR, proc_oom_adj_operations),
-       REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
+       ONE("oom_score",  0444, proc_oom_score),
+       REG("oom_adj",    0644, proc_oom_adj_operations),
+       REG("oom_score_adj", 0644, proc_oom_score_adj_operations),
 #ifdef CONFIG_AUDIT
-       REG("loginuid",   S_IWUSR|S_IRUGO, proc_loginuid_operations),
-       REG("sessionid",  S_IRUGO, proc_sessionid_operations),
+       REG("loginuid",   0644, proc_loginuid_operations),
+       REG("sessionid",  0444, proc_sessionid_operations),
 #endif
 #ifdef CONFIG_FAULT_INJECTION
-       REG("make-it-fail", S_IRUGO|S_IWUSR, proc_fault_inject_operations),
+       REG("make-it-fail", 0644, proc_fault_inject_operations),
        REG("fail-nth", 0644, proc_fail_nth_operations),
 #endif
 #ifdef CONFIG_ELF_CORE
-       REG("coredump_filter", S_IRUGO|S_IWUSR, 
proc_coredump_filter_operations),
+       REG("coredump_filter", 0644, proc_coredump_filter_operations),
 #endif
 #ifdef CONFIG_TASK_IO_ACCOUNTING
-       ONE("io",       S_IRUSR, proc_tgid_io_accounting),
+       ONE("io",       0400, proc_tgid_io_accounting),
 #endif
 #ifdef CONFIG_USER_NS
-       REG("uid_map",    S_IRUGO|S_IWUSR, proc_uid_map_operations),
-       REG("gid_map",    S_IRUGO|S_IWUSR, proc_gid_map_operations),
-       REG("projid_map", S_IRUGO|S_IWUSR, proc_projid_map_operations),
-       REG("setgroups",  S_IRUGO|S_IWUSR, proc_setgroups_operations),
+       REG("uid_map",    0644, proc_uid_map_operations),
+       REG("gid_map",    0644, proc_gid_map_operations),
+       REG("projid_map", 0644, proc_projid_map_operations),
+       REG("setgroups",  0644, proc_setgroups_operations),
 #endif
 #if defined(CONFIG_CHECKPOINT_RESTORE) && defined(CONFIG_POSIX_TIMERS)
-       REG("timers",     S_IRUGO, proc_timers_operations),
+       REG("timers",     0444, proc_timers_operations),
 #endif
-       REG("timerslack_ns", S_IRUGO|S_IWUGO, 
proc_pid_set_timerslack_ns_operations),
+       REG("timerslack_ns", 0666, proc_pid_set_timerslack_ns_operations),
 #ifdef CONFIG_LIVEPATCH
-       ONE("patch_state",  S_IRUSR, proc_pid_patch_state),
+       ONE("patch_state",  0400, proc_pid_patch_state),
 #endif
 #ifdef CONFIG_STACKLEAK_METRICS
-       ONE("stack_depth", S_IRUGO, proc_stack_depth),
+       ONE("stack_depth", 0444, proc_stack_depth),
 #endif
 #ifdef CONFIG_PROC_PID_ARCH_STATUS
-       ONE("arch_status", S_IRUGO, proc_pid_arch_status),
+       ONE("arch_status", 0444, proc_pid_arch_status),
 #endif
 #ifdef CONFIG_SECCOMP_CACHE_DEBUG
-       ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache),
+       ONE("seccomp_cache", 0400, proc_pid_seccomp_cache),
 #endif
 };
 
@@ -3330,7 +3330,7 @@ static struct dentry *proc_pid_instantiate(struct dentry 
* dentry,
 {
        struct inode *inode;
 
-       inode = proc_pid_make_inode(dentry->d_sb, task, S_IFDIR | S_IRUGO | 
S_IXUGO);
+       inode = proc_pid_make_inode(dentry->d_sb, task, S_IFDIR | 0555);
        if (!inode)
                return ERR_PTR(-ENOENT);
 
@@ -3503,100 +3503,100 @@ static const struct inode_operations 
proc_tid_comm_inode_operations = {
  * Tasks
  */
 static const struct pid_entry tid_base_stuff[] = {
-       DIR("fd",        S_IRUSR|S_IXUSR, proc_fd_inode_operations, 
proc_fd_operations),
-       DIR("fdinfo",    S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, 
proc_fdinfo_operations),
-       DIR("ns",        S_IRUSR|S_IXUGO, proc_ns_dir_inode_operations, 
proc_ns_dir_operations),
+       DIR("fd",        0500, proc_fd_inode_operations, proc_fd_operations),
+       DIR("fdinfo",    0500, proc_fdinfo_inode_operations, 
proc_fdinfo_operations),
+       DIR("ns",        0511, proc_ns_dir_inode_operations, 
proc_ns_dir_operations),
 #ifdef CONFIG_NET
-       DIR("net",        S_IRUGO|S_IXUGO, proc_net_inode_operations, 
proc_net_operations),
+       DIR("net",        0555, proc_net_inode_operations, proc_net_operations),
 #endif
-       REG("environ",   S_IRUSR, proc_environ_operations),
-       REG("auxv",      S_IRUSR, proc_auxv_operations),
-       ONE("status",    S_IRUGO, proc_pid_status),
-       ONE("personality", S_IRUSR, proc_pid_personality),
-       ONE("limits",    S_IRUGO, proc_pid_limits),
+       REG("environ",   0400, proc_environ_operations),
+       REG("auxv",      0400, proc_auxv_operations),
+       ONE("status",    0444, proc_pid_status),
+       ONE("personality", 0400, proc_pid_personality),
+       ONE("limits",    0444, proc_pid_limits),
 #ifdef CONFIG_SCHED_DEBUG
-       REG("sched",     S_IRUGO|S_IWUSR, proc_pid_sched_operations),
+       REG("sched",     0644, proc_pid_sched_operations),
 #endif
-       NOD("comm",      S_IFREG|S_IRUGO|S_IWUSR,
+       NOD("comm",      S_IFREG | 0644,
                         &proc_tid_comm_inode_operations,
                         &proc_pid_set_comm_operations, {}),
 #ifdef CONFIG_HAVE_ARCH_TRACEHOOK
-       ONE("syscall",   S_IRUSR, proc_pid_syscall),
+       ONE("syscall",   0400, proc_pid_syscall),
 #endif
-       REG("cmdline",   S_IRUGO, proc_pid_cmdline_ops),
-       ONE("stat",      S_IRUGO, proc_tid_stat),
-       ONE("statm",     S_IRUGO, proc_pid_statm),
-       REG("maps",      S_IRUGO, proc_pid_maps_operations),
+       REG("cmdline",   0444, proc_pid_cmdline_ops),
+       ONE("stat",      0444, proc_tid_stat),
+       ONE("statm",     0444, proc_pid_statm),
+       REG("maps",      0444, proc_pid_maps_operations),
 #ifdef CONFIG_PROC_CHILDREN
-       REG("children",  S_IRUGO, proc_tid_children_operations),
+       REG("children",  0444, proc_tid_children_operations),
 #endif
 #ifdef CONFIG_NUMA
-       REG("numa_maps", S_IRUGO, proc_pid_numa_maps_operations),
+       REG("numa_maps", 0444, proc_pid_numa_maps_operations),
 #endif
-       REG("mem",       S_IRUSR|S_IWUSR, proc_mem_operations),
+       REG("mem",       0600, proc_mem_operations),
        LNK("cwd",       proc_cwd_link),
        LNK("root",      proc_root_link),
        LNK("exe",       proc_exe_link),
-       REG("mounts",    S_IRUGO, proc_mounts_operations),
-       REG("mountinfo",  S_IRUGO, proc_mountinfo_operations),
+       REG("mounts",    0444, proc_mounts_operations),
+       REG("mountinfo",  0444, proc_mountinfo_operations),
 #ifdef CONFIG_PROC_PAGE_MONITOR
-       REG("clear_refs", S_IWUSR, proc_clear_refs_operations),
-       REG("smaps",     S_IRUGO, proc_pid_smaps_operations),
-       REG("smaps_rollup", S_IRUGO, proc_pid_smaps_rollup_operations),
-       REG("pagemap",    S_IRUSR, proc_pagemap_operations),
+       REG("clear_refs", 0200, proc_clear_refs_operations),
+       REG("smaps",     0444, proc_pid_smaps_operations),
+       REG("smaps_rollup", 0444, proc_pid_smaps_rollup_operations),
+       REG("pagemap",    0400, proc_pagemap_operations),
 #endif
 #ifdef CONFIG_SECURITY
-       DIR("attr",      S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, 
proc_attr_dir_operations),
+       DIR("attr",      0555, proc_attr_dir_inode_operations, 
proc_attr_dir_operations),
 #endif
 #ifdef CONFIG_KALLSYMS
-       ONE("wchan",     S_IRUGO, proc_pid_wchan),
+       ONE("wchan",     0444, proc_pid_wchan),
 #endif
 #ifdef CONFIG_STACKTRACE
-       ONE("stack",      S_IRUSR, proc_pid_stack),
+       ONE("stack",      0400, proc_pid_stack),
 #endif
 #ifdef CONFIG_SCHED_INFO
-       ONE("schedstat", S_IRUGO, proc_pid_schedstat),
+       ONE("schedstat", 0444, proc_pid_schedstat),
 #endif
 #ifdef CONFIG_LATENCYTOP
-       REG("latency",  S_IRUGO, proc_lstats_operations),
+       REG("latency",  0444, proc_lstats_operations),
 #endif
 #ifdef CONFIG_PROC_PID_CPUSET
-       ONE("cpuset",    S_IRUGO, proc_cpuset_show),
+       ONE("cpuset",    0444, proc_cpuset_show),
 #endif
 #ifdef CONFIG_CGROUPS
-       ONE("cgroup",  S_IRUGO, proc_cgroup_show),
+       ONE("cgroup",  0444, proc_cgroup_show),
 #endif
 #ifdef CONFIG_PROC_CPU_RESCTRL
-       ONE("cpu_resctrl_groups", S_IRUGO, proc_resctrl_show),
+       ONE("cpu_resctrl_groups", 0444, proc_resctrl_show),
 #endif
-       ONE("oom_score", S_IRUGO, proc_oom_score),
-       REG("oom_adj",   S_IRUGO|S_IWUSR, proc_oom_adj_operations),
-       REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
+       ONE("oom_score", 0444, proc_oom_score),
+       REG("oom_adj",   0644, proc_oom_adj_operations),
+       REG("oom_score_adj", 0644, proc_oom_score_adj_operations),
 #ifdef CONFIG_AUDIT
-       REG("loginuid",  S_IWUSR|S_IRUGO, proc_loginuid_operations),
-       REG("sessionid",  S_IRUGO, proc_sessionid_operations),
+       REG("loginuid",  0644, proc_loginuid_operations),
+       REG("sessionid",  0444, proc_sessionid_operations),
 #endif
 #ifdef CONFIG_FAULT_INJECTION
-       REG("make-it-fail", S_IRUGO|S_IWUSR, proc_fault_inject_operations),
+       REG("make-it-fail", 0644, proc_fault_inject_operations),
        REG("fail-nth", 0644, proc_fail_nth_operations),
 #endif
 #ifdef CONFIG_TASK_IO_ACCOUNTING
-       ONE("io",       S_IRUSR, proc_tid_io_accounting),
+       ONE("io",       0400, proc_tid_io_accounting),
 #endif
 #ifdef CONFIG_USER_NS
-       REG("uid_map",    S_IRUGO|S_IWUSR, proc_uid_map_operations),
-       REG("gid_map",    S_IRUGO|S_IWUSR, proc_gid_map_operations),
-       REG("projid_map", S_IRUGO|S_IWUSR, proc_projid_map_operations),
-       REG("setgroups",  S_IRUGO|S_IWUSR, proc_setgroups_operations),
+       REG("uid_map",    0644, proc_uid_map_operations),
+       REG("gid_map",    0644, proc_gid_map_operations),
+       REG("projid_map", 0644, proc_projid_map_operations),
+       REG("setgroups",  0644, proc_setgroups_operations),
 #endif
 #ifdef CONFIG_LIVEPATCH
-       ONE("patch_state",  S_IRUSR, proc_pid_patch_state),
+       ONE("patch_state",  0400, proc_pid_patch_state),
 #endif
 #ifdef CONFIG_PROC_PID_ARCH_STATUS
-       ONE("arch_status", S_IRUGO, proc_pid_arch_status),
+       ONE("arch_status", 0444, proc_pid_arch_status),
 #endif
 #ifdef CONFIG_SECCOMP_CACHE_DEBUG
-       ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache),
+       ONE("seccomp_cache", 0400, proc_pid_seccomp_cache),
 #endif
 };
 
@@ -3629,7 +3629,7 @@ static struct dentry *proc_task_instantiate(struct dentry 
*dentry,
        struct task_struct *task, const void *ptr)
 {
        struct inode *inode;
-       inode = proc_pid_make_inode(dentry->d_sb, task, S_IFDIR | S_IRUGO | 
S_IXUGO);
+       inode = proc_pid_make_inode(dentry->d_sb, task, S_IFDIR | 0555);
        if (!inode)
                return ERR_PTR(-ENOENT);
 
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index 07fc4fad2602..ec29382fc2af 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -102,9 +102,9 @@ static void tid_fd_update_inode(struct task_struct *task, 
struct inode *inode,
        if (S_ISLNK(inode->i_mode)) {
                unsigned i_mode = S_IFLNK;
                if (f_mode & FMODE_READ)
-                       i_mode |= S_IRUSR | S_IXUSR;
+                       i_mode |= 0500;
                if (f_mode & FMODE_WRITE)
-                       i_mode |= S_IWUSR | S_IXUSR;
+                       i_mode |= 0300;
                inode->i_mode = i_mode;
        }
        security_task_to_inode(task, inode);
@@ -308,7 +308,7 @@ static struct dentry *proc_fdinfo_instantiate(struct dentry 
*dentry,
        struct proc_inode *ei;
        struct inode *inode;
 
-       inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | S_IRUSR);
+       inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | 0400);
        if (!inode)
                return ERR_PTR(-ENOENT);
 
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index bc86aa87cc41..cece01579ab4 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -466,7 +466,7 @@ struct proc_dir_entry *proc_symlink(const char *name,
        struct proc_dir_entry *ent;
 
        ent = __proc_create(&parent, name,
-                         (S_IFLNK | S_IRUGO | S_IWUGO | S_IXUGO),1);
+                         (S_IFLNK | 0777), 1);
 
        if (ent) {
                ent->data = kmalloc((ent->size=strlen(dest))+1, GFP_KERNEL);
@@ -489,7 +489,7 @@ struct proc_dir_entry *_proc_mkdir(const char *name, 
umode_t mode,
        struct proc_dir_entry *ent;
 
        if (mode == 0)
-               mode = S_IRUGO | S_IXUGO;
+               mode = 0555;
 
        ent = __proc_create(&parent, name, S_IFDIR | mode, 2);
        if (ent) {
@@ -528,7 +528,7 @@ EXPORT_SYMBOL(proc_mkdir);
 
 struct proc_dir_entry *proc_create_mount_point(const char *name)
 {
-       umode_t mode = S_IFDIR | S_IRUGO | S_IXUGO;
+       umode_t mode = S_IFDIR | 0555;
        struct proc_dir_entry *ent, *parent = NULL;
 
        ent = __proc_create(&parent, name, mode, 2);
@@ -550,7 +550,7 @@ struct proc_dir_entry *proc_create_reg(const char *name, 
umode_t mode,
        if ((mode & S_IFMT) == 0)
                mode |= S_IFREG;
        if ((mode & S_IALLUGO) == 0)
-               mode |= S_IRUGO;
+               mode |= 0444;
        if (WARN_ON_ONCE(!S_ISREG(mode)))
                return NULL;
 
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 4d2e64e9016c..8c57f22ef41a 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -636,7 +636,7 @@ static void __init add_modules_range(void)
 
 static int __init proc_kcore_init(void)
 {
-       proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &kcore_proc_ops);
+       proc_root_kcore = proc_create("kcore", 0400, NULL, &kcore_proc_ops);
        if (!proc_root_kcore) {
                pr_err("couldn't create /proc/kcore\n");
                return 0; /* Always returns 0. */
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index b38ad552887f..3402656feaf7 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -60,7 +60,7 @@ static const struct proc_ops kmsg_proc_ops = {
 
 static int __init proc_kmsg_init(void)
 {
-       proc_create("kmsg", S_IRUSR, NULL, &kmsg_proc_ops);
+       proc_create("kmsg", 0400, NULL, &kmsg_proc_ops);
        return 0;
 }
 fs_initcall(proc_kmsg_init);
diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index 8e159fc78c0a..6cc8aa7b5ee0 100644
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -102,7 +102,7 @@ static struct dentry *proc_ns_instantiate(struct dentry 
*dentry,
        struct inode *inode;
        struct proc_inode *ei;
 
-       inode = proc_pid_make_inode(dentry->d_sb, task, S_IFLNK | S_IRWXUGO);
+       inode = proc_pid_make_inode(dentry->d_sb, task, S_IFLNK | 0777);
        if (!inode)
                return ERR_PTR(-ENOENT);
 
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index 13452b32e2bd..b4c93cbd467c 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -110,7 +110,7 @@ static const struct seq_operations 
proc_nommu_region_list_seqop = {
 
 static int __init proc_nommu_init(void)
 {
-       proc_create_seq("maps", S_IRUGO, NULL, &proc_nommu_region_list_seqop);
+       proc_create_seq("maps", 0444, NULL, &proc_nommu_region_list_seqop);
        return 0;
 }
 
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 4dcbcd506cb6..b3a084076dbd 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -330,10 +330,10 @@ static const struct proc_ops kpagecgroup_proc_ops = {
 
 static int __init proc_page_init(void)
 {
-       proc_create("kpagecount", S_IRUSR, NULL, &kpagecount_proc_ops);
-       proc_create("kpageflags", S_IRUSR, NULL, &kpageflags_proc_ops);
+       proc_create("kpagecount", 0400, NULL, &kpagecount_proc_ops);
+       proc_create("kpageflags", 0400, NULL, &kpageflags_proc_ops);
 #ifdef CONFIG_MEMCG
-       proc_create("kpagecgroup", S_IRUSR, NULL, &kpagecgroup_proc_ops);
+       proc_create("kpagecgroup", 0400, NULL, &kpagecgroup_proc_ops);
 #endif
        return 0;
 }
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 984e42f8cb11..beeacbf0aefc 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -62,7 +62,7 @@ void proc_sys_poll_notify(struct ctl_table_poll *poll)
 static struct ctl_table root_table[] = {
        {
                .procname = "",
-               .mode = S_IFDIR|S_IRUGO|S_IXUGO,
+               .mode = S_IFDIR | 0555,
        },
        { }
 };
@@ -967,7 +967,7 @@ static struct ctl_dir *new_dir(struct ctl_table_set *set,
        memcpy(new_name, name, namelen);
        new_name[namelen] = '\0';
        table[0].procname = new_name;
-       table[0].mode = S_IFDIR|S_IRUGO|S_IXUGO;
+       table[0].mode = S_IFDIR | 0555;
        init_header(&new->header, set->dir.header.root, set, node, table);
 
        return new;
@@ -1138,7 +1138,7 @@ static int sysctl_check_table(const char *path, struct 
ctl_table *table)
                if (!table->proc_handler)
                        err |= sysctl_err(path, table, "No proc_handler");
 
-               if ((table->mode & (S_IRUGO|S_IWUGO)) != table->mode)
+               if ((table->mode & (0666)) != table->mode)
                        err |= sysctl_err(path, table, "bogus .mode 0%o",
                                table->mode);
        }
@@ -1178,7 +1178,7 @@ static struct ctl_table_header *new_links(struct ctl_dir 
*dir, struct ctl_table
                int len = strlen(entry->procname) + 1;
                memcpy(link_name, entry->procname, len);
                link->procname = link_name;
-               link->mode = S_IFLNK|S_IRWXUGO;
+               link->mode = S_IFLNK | 0777;
                link->data = link_root;
                link_name += len;
        }
diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c
index c69ff191e5d8..629bbab446f1 100644
--- a/fs/proc/proc_tty.c
+++ b/fs/proc/proc_tty.c
@@ -173,7 +173,7 @@ void __init proc_tty_init(void)
         * password lengths and inter-keystroke timings during password
         * entry.
         */
-       proc_tty_driver = proc_mkdir_mode("tty/driver", S_IRUSR|S_IXUSR, NULL);
+       proc_tty_driver = proc_mkdir_mode("tty/driver", 0500, NULL);
        proc_create_seq("tty/ldiscs", 0, NULL, &tty_ldiscs_seq_ops);
        proc_create_seq("tty/drivers", 0, NULL, &tty_drivers_op);
 }
diff --git a/fs/proc/root.c b/fs/proc/root.c
index c7e3b1350ef8..0f05ffac7f90 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -362,7 +362,7 @@ static const struct inode_operations 
proc_root_inode_operations = {
 struct proc_dir_entry proc_root = {
        .low_ino        = PROC_ROOT_INO, 
        .namelen        = 5, 
-       .mode           = S_IFDIR | S_IRUGO | S_IXUGO, 
+       .mode           = S_IFDIR | 0555,
        .nlink          = 2, 
        .refcnt         = REFCOUNT_INIT(1),
        .proc_iops      = &proc_root_inode_operations, 
diff --git a/fs/proc/self.c b/fs/proc/self.c
index cc71ce3466dc..f82e3680c048 100644
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -54,7 +54,7 @@ int proc_setup_self(struct super_block *s)
                if (inode) {
                        inode->i_ino = self_inum;
                        inode->i_mtime = inode->i_atime = inode->i_ctime = 
current_time(inode);
-                       inode->i_mode = S_IFLNK | S_IRWXUGO;
+                       inode->i_mode = S_IFLNK | 0777;
                        inode->i_uid = GLOBAL_ROOT_UID;
                        inode->i_gid = GLOBAL_ROOT_GID;
                        inode->i_op = &proc_self_inode_operations;
diff --git a/fs/proc/thread_self.c b/fs/proc/thread_self.c
index a553273fbd41..def800fd540f 100644
--- a/fs/proc/thread_self.c
+++ b/fs/proc/thread_self.c
@@ -47,7 +47,7 @@ int proc_setup_thread_self(struct super_block *s)
                if (inode) {
                        inode->i_ino = thread_self_inum;
                        inode->i_mtime = inode->i_atime = inode->i_ctime = 
current_time(inode);
-                       inode->i_mode = S_IFLNK | S_IRWXUGO;
+                       inode->i_mode = S_IFLNK | 0777;
                        inode->i_uid = GLOBAL_ROOT_UID;
                        inode->i_gid = GLOBAL_ROOT_GID;
                        inode->i_op = &proc_thread_self_inode_operations;
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 9a15334da208..fe600a672d3c 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -1552,7 +1552,7 @@ static int __init vmcore_init(void)
        elfcorehdr_free(elfcorehdr_addr);
        elfcorehdr_addr = ELFCORE_ADDR_ERR;
 
-       proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &vmcore_proc_ops);
+       proc_vmcore = proc_create("vmcore", 0400, NULL, &vmcore_proc_ops);
        if (proc_vmcore)
                proc_vmcore->size = vmcore_size;
        return 0;

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