autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation

commit 0a280962dc upstream.

X-Coverup: just ask spender
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
This commit is contained in:
Al Viro 2015-02-21 22:19:57 -05:00 • committed by Luis Henriques
commit 2321de6e1b