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-rw-r--r--drivers/tty/pty.c7
-rw-r--r--fs/devpts/inode.c4
-rw-r--r--include/linux/devpts_fs.h2
3 files changed, 4 insertions, 9 deletions
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 1fc80ea87c13..284749fb0f6b 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -793,7 +793,6 @@ static int ptmx_open(struct inode *inode, struct file *filp)
struct tty_struct *tty;
struct path *pts_path;
struct dentry *dentry;
- struct vfsmount *mnt;
int retval;
int index;
@@ -806,7 +805,7 @@ static int ptmx_open(struct inode *inode, struct file *filp)
if (retval)
return retval;
- fsi = devpts_acquire(filp, &mnt);
+ fsi = devpts_acquire(filp);
if (IS_ERR(fsi)) {
retval = PTR_ERR(fsi);
goto out_free_file;
@@ -850,7 +849,7 @@ static int ptmx_open(struct inode *inode, struct file *filp)
pts_path = kmalloc(sizeof(struct path), GFP_KERNEL);
if (!pts_path)
goto err_release;
- pts_path->mnt = mnt;
+ pts_path->mnt = filp->f_path.mnt;
pts_path->dentry = dentry;
path_get(pts_path);
tty->link->driver_data = pts_path;
@@ -867,7 +866,6 @@ err_path_put:
path_put(pts_path);
kfree(pts_path);
err_release:
- mntput(mnt);
tty_unlock(tty);
// This will also put-ref the fsi
tty_release(inode, filp);
@@ -876,7 +874,6 @@ out:
devpts_kill_index(fsi, index);
out_put_fsi:
devpts_release(fsi);
- mntput(mnt);
out_free_file:
tty_free_file(filp);
return retval;
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 44dfbca9306f..108df2e3602c 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 vfsmount **ptsmnt)
+struct pts_fs_info *devpts_acquire(struct file *filp)
{
struct pts_fs_info *result;
struct path path;
@@ -142,7 +142,6 @@ struct pts_fs_info *devpts_acquire(struct file *filp, struct vfsmount **ptsmnt)
path = filp->f_path;
path_get(&path);
- *ptsmnt = NULL;
/* Has the devpts filesystem already been found? */
sb = path.mnt->mnt_sb;
@@ -166,7 +165,6 @@ struct pts_fs_info *devpts_acquire(struct file *filp, struct vfsmount **ptsmnt)
* 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:
diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h
index 7883e901f65c..277ab9af9ac2 100644
--- a/include/linux/devpts_fs.h
+++ b/include/linux/devpts_fs.h
@@ -19,7 +19,7 @@
struct pts_fs_info;
-struct pts_fs_info *devpts_acquire(struct file *, struct vfsmount **ptsmnt);
+struct pts_fs_info *devpts_acquire(struct file *);
void devpts_release(struct pts_fs_info *);
int devpts_new_index(struct pts_fs_info *);