copy_page_to_iter(): fix ITER_DISCARD case
authorAl Viro <viro@zeniv.linux.org.uk>
Tue, 27 Apr 2021 16:34:04 +0000 (12:34 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Jul 2021 14:55:39 +0000 (16:55 +0200)
commitb6df9e43d52deed1e3bb9a58b6ab3329049a945e
tree002b4053e8245b1e5739425590db581b08328ba4
parentd91638f70e81899e29cd940b0ca2237b23097273
copy_page_to_iter(): fix ITER_DISCARD case

commit a506abc7b644d71966a75337d5a534f531b3cdc4 upstream.

we need to advance the iterator...

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
lib/iov_iter.c