1 files changed, 10 insertions, 7 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 616f41a7cde6..437195f204e1 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1803,7 +1803,7 @@ static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd)
                         rcu_read_lock();
                         file = fcheck_files(files, fd);
                         if (file) {
-                                unsigned i_mode, f_mode = file->f_mode;
+                                unsigned f_mode = file->f_mode;
 
                                 rcu_read_unlock();
                                 put_files_struct(files);
@@ -1819,12 +1819,14 @@ static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd)
                                         inode->i_gid = GLOBAL_ROOT_GID;
                                 }
 
-                                i_mode = S_IFLNK;
-                                if (f_mode & FMODE_READ)
-                                        i_mode |= S_IRUSR | S_IXUSR;
-                                if (f_mode & FMODE_WRITE)
-                                        i_mode |= S_IWUSR | S_IXUSR;
-                                inode->i_mode = i_mode;
+                                if (S_ISLNK(inode->i_mode)) {
+                                        unsigned i_mode = S_IFLNK;
+                                        if (f_mode & FMODE_READ)
+                                                i_mode |= S_IRUSR | S_IXUSR;
+                                        if (f_mode & FMODE_WRITE)
+                                                i_mode |= S_IWUSR | S_IXUSR;
+                                        inode->i_mode = i_mode;
+                                }
 
                                 security_task_to_inode(task, inode);
                                 put_task_struct(task);
@@ -1859,6 +1861,7 @@ static struct dentry *proc_fd_instantiate(struct inode *dir,
         ei = PROC_I(inode);
         ei->fd = fd;
 
+        inode->i_mode = S_IFLNK;
         inode->i_op = &proc_pid_link_inode_operations;
         inode->i_size = 64;
         ei->op.proc_get_link = proc_fd_link;