diff options
Diffstat (limited to 'drivers/virt/vboxguest/vboxguest_linux.c')
| -rw-r--r-- | drivers/virt/vboxguest/vboxguest_linux.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/virt/vboxguest/vboxguest_linux.c b/drivers/virt/vboxguest/vboxguest_linux.c index 398d22693234..6e2a9619192d 100644 --- a/drivers/virt/vboxguest/vboxguest_linux.c +++ b/drivers/virt/vboxguest/vboxguest_linux.c @@ -121,7 +121,9 @@ static long vbg_misc_device_ioctl(struct file *filp, unsigned int req, if (!buf) return -ENOMEM; - if (copy_from_user(buf, (void *)arg, hdr.size_in)) { + *((struct vbg_ioctl_hdr *)buf) = hdr; + if (copy_from_user(buf + sizeof(hdr), (void *)arg + sizeof(hdr), + hdr.size_in - sizeof(hdr))) { ret = -EFAULT; goto out; } |