[PATCH tty-next 2/6] devpts: Move the creation of /dev/pts/ptmx into fill_super

From: Eric W. Biederman
Date: Wed Sep 14 2016 - 15:08:55 EST


The code makes more sense here and things are just clearer.

Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
fs/devpts/inode.c | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index c59d39f2d512..43773543a783 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -425,11 +425,19 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
set_nlink(inode, 2);

s->s_root = d_make_root(inode);
- if (s->s_root)
- return 0;
+ if (!s->s_root) {
+ pr_err("get root dentry failed\n");
+ goto fail;
+ }

- pr_err("get root dentry failed\n");
+ error = mknod_ptmx(s);
+ if (error)
+ goto fail_dput;

+ return 0;
+fail_dput:
+ dput(s->s_root);
+ s->s_root = NULL;
fail:
return error;
}
@@ -456,11 +464,6 @@ static struct dentry *devpts_mount(struct file_system_type *fs_type,
goto out_undo_sget;
s->s_flags |= MS_ACTIVE;
}
-
- error = mknod_ptmx(s);
- if (error)
- goto out_undo_sget;
-
return dget(s->s_root);

out_undo_sget:
--
2.8.3