1 files changed, 3 insertions, 1 deletions

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 108df2e3602c..44dfbca9306f 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -133,7 +133,7 @@ static inline struct pts_fs_info *DEVPTS_SB(struct super_block *sb)
         return sb->s_fs_info;
 }
 
-struct pts_fs_info *devpts_acquire(struct file *filp)
+struct pts_fs_info *devpts_acquire(struct file *filp, struct vfsmount **ptsmnt)
 {
         struct pts_fs_info *result;
         struct path path;
@@ -142,6 +142,7 @@ struct pts_fs_info *devpts_acquire(struct file *filp)
 
         path = filp->f_path;
         path_get(&path);
+        *ptsmnt = NULL;
 
         /* Has the devpts filesystem already been found? */
         sb = path.mnt->mnt_sb;
@@ -165,6 +166,7 @@ struct pts_fs_info *devpts_acquire(struct file *filp)
          * pty code needs to hold extra references in case of last /dev/tty close
          */
         atomic_inc(&sb->s_active);
+        *ptsmnt = mntget(path.mnt);
         result = DEVPTS_SB(sb);
 
 out: