tree c5bfb5b0027c5d27766b0d29f120a56e04313198
parent f263fbb8d60824993c1b64385056a3cfdbb21d45
author Al Viro <viro@zeniv.linux.org.uk> 1499686849 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1499686849 -0400

fix brown paperbag bug in inlined copy_..._iter()

"copied nothing" == "return 0", not "return full size".

Fixes: aa28de275a24 "iov_iter/hardening: move object size checks to inlined part"
Spotted-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>