nsfs: Simplify __ns_get_path

Move mntget from the very beginning of __ns_get_path to
the success path of __ns_get_path, and remove the mntget
calls.

This removes the possibility that there will be a mntget/mntput
pair of __ns_get_path has to retry, and generally simplifies the code.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2016-09-22 19:39:20 -05:00
commit 213b067ce3