/* Get the salt if the user provided one */
if (arg->salt_size &&
- copy_from_user(desc->salt,
- (const u8 __user *)(uintptr_t)arg->salt_ptr,
+ copy_from_user(desc->salt, u64_to_user_ptr(arg->salt_ptr),
arg->salt_size)) {
err = -EFAULT;
goto out;
/* Get the signature if the user provided one */
if (arg->sig_size &&
- copy_from_user(desc->signature,
- (const u8 __user *)(uintptr_t)arg->sig_ptr,
+ copy_from_user(desc->signature, u64_to_user_ptr(arg->sig_ptr),
arg->sig_size)) {
err = -EFAULT;
goto out;