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| author | David S. Miller <davem@davemloft.net> | 2021-03-26 01:31:22 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-03-26 01:31:22 +0300 |
| commit | efd13b71a3fa31413f8d15342e01d44b60b0a432 (patch) | |
| tree | 2ed1b299e25538c5a60485a1047507b49d3e0ecf /drivers/virt/acrn/hsm.c | |
| parent | 84c7f6c33f42a12eb036ebf0f0e3670799304120 (diff) | |
| parent | 002322402dafd846c424ffa9240a937f49b48c42 (diff) | |
| download | linux-efd13b71a3fa31413f8d15342e01d44b60b0a432.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/virt/acrn/hsm.c')
| -rw-r--r-- | drivers/virt/acrn/hsm.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/virt/acrn/hsm.c b/drivers/virt/acrn/hsm.c index 1f6b7c54a1a4..130e12b8652a 100644 --- a/drivers/virt/acrn/hsm.c +++ b/drivers/virt/acrn/hsm.c @@ -333,7 +333,7 @@ static long acrn_dev_ioctl(struct file *filp, unsigned int cmd, acrn_ioreq_request_clear(vm); break; case ACRN_IOCTL_PM_GET_CPU_STATE: - if (copy_from_user(&cstate_cmd, (void *)ioctl_param, + if (copy_from_user(&cstate_cmd, (void __user *)ioctl_param, sizeof(cstate_cmd))) return -EFAULT; @@ -404,6 +404,14 @@ fail_remove: } static DEVICE_ATTR_WO(remove_cpu); +static umode_t acrn_attr_visible(struct kobject *kobj, struct attribute *a, int n) +{ + if (a == &dev_attr_remove_cpu.attr) + return IS_ENABLED(CONFIG_HOTPLUG_CPU) ? a->mode : 0; + + return a->mode; +} + static struct attribute *acrn_attrs[] = { &dev_attr_remove_cpu.attr, NULL @@ -411,6 +419,7 @@ static struct attribute *acrn_attrs[] = { static struct attribute_group acrn_attr_group = { .attrs = acrn_attrs, + .is_visible = acrn_attr_visible, }; static const struct attribute_group *acrn_attr_groups[] = { |