tree a080bd2eea306d5815c5a9eefb46180e2bedffb2
parent 7e935c7ca1e6c398f11edac5beabfc4348e3b3a4
author Al Viro <viro@zeniv.linux.org.uk> 1450933565 -0500
committer Al Viro <viro@zeniv.linux.org.uk> 1451921218 -0500

convert a bunch of open-coded instances of memdup_user_nul()

A _lot_ of ->write() instances were open-coding it; some are
converted to memdup_user_nul(), a lot more remain...

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