net/mlx4_core: Turn off device-managed FS bit in dev-cap wrapper if DMFS is not enabled

[cascardo/linux.git] / fs / proc / base.c

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 760268d..69078c7 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -73,6 +73,7 @@
 #include <linux/security.h>
 #include <linux/ptrace.h>
 #include <linux/tracehook.h>
+#include <linux/printk.h>
 #include <linux/cgroup.h>
 #include <linux/cpuset.h>
 #include <linux/audit.h>
@@ -952,7 +953,7 @@ static ssize_t oom_adj_write(struct file *file, const char __user *buf,
         * /proc/pid/oom_adj is provided for legacy purposes, ask users to use
         * /proc/pid/oom_score_adj instead.
         */
-       printk_once(KERN_WARNING "%s (%d): /proc/%d/oom_adj is deprecated, please use /proc/%d/oom_score_adj instead.\n",
+       pr_warn_once("%s (%d): /proc/%d/oom_adj is deprecated, please use /proc/%d/oom_score_adj instead.\n",
                  current->comm, task_pid_nr(current), task_pid_nr(task),
                  task_pid_nr(task));
 
@@ -1711,7 +1712,7 @@ static int map_files_d_revalidate(struct dentry *dentry, unsigned int flags)
                return -ECHILD;
 
        if (!capable(CAP_SYS_ADMIN)) {
-               status = -EACCES;
+               status = -EPERM;
                goto out_notask;
        }
 
@@ -1844,7 +1845,7 @@ static struct dentry *proc_map_files_lookup(struct inode *dir,
        struct dentry *result;
        struct mm_struct *mm;
 
-       result = ERR_PTR(-EACCES);
+       result = ERR_PTR(-EPERM);
        if (!capable(CAP_SYS_ADMIN))
                goto out;
 
@@ -1900,7 +1901,7 @@ proc_map_files_readdir(struct file *filp, void *dirent, filldir_t filldir)
        ino_t ino;
        int ret;
 
-       ret = -EACCES;
+       ret = -EPERM;
        if (!capable(CAP_SYS_ADMIN))
                goto out;
 
@@ -2618,6 +2619,7 @@ static void proc_flush_task_mnt(struct vfsmount *mnt, pid_t pid, pid_t tgid)
 
        name.name = buf;
        name.len = snprintf(buf, sizeof(buf), "%d", pid);
+       /* no ->d_hash() rejects on procfs */
        dentry = d_hash_and_lookup(mnt->mnt_root, &name);
        if (dentry) {
                shrink_dcache_parent(dentry);