Remove the MEMDUMP_DEV case in ia_ioctl to avoid copy
pointers to user space.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
case MEMDUMP:
{
switch (ia_cmds.sub_cmd) {
- case MEMDUMP_DEV:
- if (!capable(CAP_NET_ADMIN)) return -EPERM;
- if (copy_to_user(ia_cmds.buf, iadev, sizeof(IADEV)))
- return -EFAULT;
- ia_cmds.status = 0;
- break;
case MEMDUMP_SEGREG:
if (!capable(CAP_NET_ADMIN)) return -EPERM;
tmps = (u16 __user *)ia_cmds.buf;