From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
commit 0e8f0d67401589a141950856902c7d0ec8d9c985 upstream.
... and actually should just check it's given an iovec-backed iterator
in the first place.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
lib/iov_iter.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -432,7 +432,7 @@ int iov_iter_fault_in_readable(struct io
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))
