Commit 0e8f0d67 authored by Al Viro's avatar Al Viro
Browse files

[xarray] iov_iter_fault_in_readable() should do nothing in xarray case 



... and actually should just check it's given an iovec-backed iterator
in the first place.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent a506abc7

lib/iov_iter.c

+1 −1
Original line number Diff line number Diff line
@@ -476,7 +476,7 @@ int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes) 
	int err;

	struct iovec v;



	if (!(i->type & (ITER_BVEC|ITER_KVEC))) {

	if (iter_is_iovec(i)) {

		iterate_iovec(i, bytes, v, iov, skip, ({

			err = fault_in_pages_readable(v.iov_base, v.iov_len);

			if (unlikely(err))