return IOU_ISSUE_SKIP_COMPLETE;
}
-static int __io_import_fixed(struct io_kiocb *req, int ddir,
- struct iov_iter *iter, struct io_mapped_ubuf *imu)
+static int io_import_fixed(int ddir, struct iov_iter *iter,
+ struct io_mapped_ubuf *imu,
+ u64 buf_addr, size_t len)
{
- struct io_rw *rw = io_kiocb_to_cmd(req);
- size_t len = rw->len;
- u64 buf_end, buf_addr = rw->addr;
+ u64 buf_end;
size_t offset;
+ if (WARN_ON_ONCE(!imu))
+ return -EFAULT;
if (unlikely(check_add_overflow(buf_addr, (u64)len, &buf_end)))
return -EFAULT;
/* not inside the mapped region */
return 0;
}
-static int io_import_fixed(struct io_kiocb *req, int rw, struct iov_iter *iter,
- unsigned int issue_flags)
-{
- if (WARN_ON_ONCE(!req->imu))
- return -EFAULT;
- return __io_import_fixed(req, rw, iter, req->imu);
-}
-
#ifdef CONFIG_COMPAT
static ssize_t io_compat_import(struct io_kiocb *req, struct iovec *iov,
unsigned int issue_flags)
ssize_t ret;
if (opcode == IORING_OP_READ_FIXED || opcode == IORING_OP_WRITE_FIXED) {
- ret = io_import_fixed(req, ddir, iter, issue_flags);
+ ret = io_import_fixed(ddir, iter, req->imu, rw->addr, rw->len);
if (ret)
return ERR_PTR(ret);
return NULL;