return -EINVAL;
}
- dg = kmalloc(send_info.len, GFP_KERNEL);
- if (!dg) {
+ dg = memdup_user((void __user *)(uintptr_t)send_info.addr,
+ send_info.len);
+ if (IS_ERR(dg)) {
vmci_ioctl_err(
"cannot allocate memory to dispatch datagram\n");
- return -ENOMEM;
- }
-
- if (copy_from_user(dg, (void __user *)(uintptr_t)send_info.addr,
- send_info.len)) {
- vmci_ioctl_err("error getting datagram\n");
- kfree(dg);
- return -EFAULT;
+ return PTR_ERR(dg);
}
if (VMCI_DG_SIZE(dg) != send_info.len) {