Move common mknod_ptmx() calls into caller
We create 'ptmx' node in both single-instance and multiple-instance
mounts. So devpts_get_sb() can call mknod_ptmx() once rather than
have both modes calling mknod_ptmx() separately.
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 70013dd..58b7190 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -338,17 +338,7 @@
fsi = DEVPTS_SB(mnt->mnt_sb);
memcpy(&fsi->mount_opts, opts, sizeof(opts));
- err = mknod_ptmx(mnt->mnt_sb);
- if (err)
- goto fail;
-
return 0;
-
-fail:
- dput(mnt->mnt_sb->s_root);
- up_write(&mnt->mnt_sb->s_umount);
- deactivate_super(mnt->mnt_sb);
- return err;
}
/*
@@ -416,13 +406,6 @@
if (err)
return err;
- err = mknod_ptmx(mnt->mnt_sb);
- if (err) {
- dput(mnt->mnt_sb->s_root);
- up_write(&mnt->mnt_sb->s_umount);
- deactivate_super(mnt->mnt_sb);
- }
-
return err;
}
@@ -440,9 +423,24 @@
}
if (opts.newinstance)
- return new_pts_mount(fs_type, flags, data, &opts, mnt);
+ error = new_pts_mount(fs_type, flags, data, &opts, mnt);
else
- return init_pts_mount(fs_type, flags, data, &opts, mnt);
+ error = init_pts_mount(fs_type, flags, data, &opts, mnt);
+
+ if (error)
+ return error;
+
+ error = mknod_ptmx(mnt->mnt_sb);
+ if (error)
+ goto out_dput;
+
+ return 0;
+
+out_dput:
+ dput(mnt->mnt_sb->s_root);
+ up_write(&mnt->mnt_sb->s_umount);
+ deactivate_super(mnt->mnt_sb);
+ return error;
}
#else