Don't touch iter->iov and iov in between __io_import_iovec() and
io_req_map_rw(), the former function aleady sets it correctly, because it
creates one more case with NULL'ed iov to consider in io_req_map_rw().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
bool force_nonblock)
{
struct io_async_rw *iorw = &req->io->rw;
- struct iovec *iov;
+ struct iovec *iov = iorw->fast_iov;
ssize_t ret;
- iorw->iter.iov = iov = iorw->fast_iov;
ret = __io_import_iovec(rw, req, &iov, &iorw->iter, !force_nonblock);
if (unlikely(ret < 0))
return ret;
- iorw->iter.iov = iov;
- io_req_map_rw(req, iorw->iter.iov, iorw->fast_iov, &iorw->iter);
+ io_req_map_rw(req, iov, iorw->fast_iov, &iorw->iter);
return 0;
}