tree b8a6a5eb446d22604d362b7b718c2ff52c7812de
parent 85d7d618c17a09cfd824c1ad4483c19e6f9637ff
author Al Viro <viro@zeniv.linux.org.uk> 1340477385 +0400
committer Al Viro <viro@zeniv.linux.org.uk> 1342269350 +0400

do_dentry_open(): close the race with mark_files_ro() in failure exit

we want to take it out of mark_files_ro() reach *before* we start
checking if we ought to drop write access.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>