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fs: don't forget to put old mntns in mntns_install 

Fixes: 4f757f3cbf ("make sure that mntns_install() doesn't end up with referral for root")
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrei Vagin <avagin@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Andrei Vagin 2017-06-08 17:32:29 -07:00 committed by Al Viro
parent 81be24d263
commit 4068367c9c
1 changed files with 2 additions and 0 deletions
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2
fs/namespace.c
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@ -3488,6 +3488,8 @@ static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns)
return err;
}
put_mnt_ns(old_mnt_ns);
/* Update the pwd and root */
set_fs_pwd(fs, &root);
set_fs_root(fs, &root);