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[tty-next,3/6] devpts: Simplify devpts_mount by using mount_nodev

Message ID 20160914185338.15126-3-ebiederm@xmission.com (mailing list archive)
State New, archived
Headers show

Commit Message

Eric W. Biederman Sept. 14, 2016, 6:53 p.m. UTC
Now that all of the work of setting up a superblock has been moved to
devpts_fill_super simplify devpts_mount by calling mount_nodev instead
of rolling mount_nodev by hand.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
 fs/devpts/inode.c | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)
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Patch

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 43773543a783..a48b40b0bd1e 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -451,24 +451,7 @@  fail:
 static struct dentry *devpts_mount(struct file_system_type *fs_type,
 	int flags, const char *dev_name, void *data)
 {
-	int error;
-	struct super_block *s;
-
-	s = sget(fs_type, NULL, set_anon_super, flags, NULL);
-	if (IS_ERR(s))
-		return ERR_CAST(s);
-
-	if (!s->s_root) {
-		error = devpts_fill_super(s, data, flags & MS_SILENT ? 1 : 0);
-		if (error)
-			goto out_undo_sget;
-		s->s_flags |= MS_ACTIVE;
-	}
-	return dget(s->s_root);
-
-out_undo_sget:
-	deactivate_locked_super(s);
-	return ERR_PTR(error);
+	return mount_nodev(fs_type, flags, data, devpts_fill_super);
 }
 
 static void devpts_kill_sb(struct super_block *sb)