These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / proc / thread_self.c

diff --git a/kernel/fs/proc/thread_self.c b/kernel/fs/proc/thread_self.c
index a837199..947b0f4 100644 (file)
--- a/kernel/fs/proc/thread_self.c
+++ b/kernel/fs/proc/thread_self.c
@@ -1,5 +1,4 @@
 #include <linux/sched.h>
-#include <linux/namei.h>
 #include <linux/slab.h>
 #include <linux/pid_namespace.h>
 #include "internal.h"
@@ -20,21 +19,20 @@ static int proc_thread_self_readlink(struct dentry *dentry, char __user *buffer,
        return readlink_copy(buffer, buflen, tmp);
 }
 
-static void *proc_thread_self_follow_link(struct dentry *dentry, struct nameidata *nd)
+static const char *proc_thread_self_follow_link(struct dentry *dentry, void **cookie)
 {
        struct pid_namespace *ns = dentry->d_sb->s_fs_info;
        pid_t tgid = task_tgid_nr_ns(current, ns);
        pid_t pid = task_pid_nr_ns(current, ns);
-       char *name = ERR_PTR(-ENOENT);
-       if (pid) {
-               name = kmalloc(PROC_NUMBUF + 6 + PROC_NUMBUF, GFP_KERNEL);
-               if (!name)
-                       name = ERR_PTR(-ENOMEM);
-               else
-                       sprintf(name, "%d/task/%d", tgid, pid);
-       }
-       nd_set_link(nd, name);
-       return NULL;
+       char *name;
+
+       if (!pid)
+               return ERR_PTR(-ENOENT);
+       name = kmalloc(PROC_NUMBUF + 6 + PROC_NUMBUF, GFP_KERNEL);
+       if (!name)
+               return ERR_PTR(-ENOMEM);
+       sprintf(name, "%d/task/%d", tgid, pid);
+       return *cookie = name;
 }
 
 static const struct inode_operations proc_thread_self_inode_operations = {