virt: acrn: Correct type casting of argument of copy_from_user()

hsm.c:336:50: warning: incorrect type in argument 2 (different address spaces)
hsm.c:336:50:    expected void const [noderef] __user *from
hsm.c:336:50:    got void *

This patch fixes above sparse warning.

Fixes: 3d679d5aec64 ("virt: acrn: Introduce interfaces to query C-states and P-states allowed by hypervisor")
Reported-by: kernel test robot <>
Signed-off-by: Shuo Liu <>
Signed-off-by: Greg Kroah-Hartman <>
1 file changed