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hyperv/vmbus: All ivars are read-only; nuke unnecessary write_ivar

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MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7025
This commit is contained in:
Sepherosa Ziehau 2016-07-13 05:11:45 +00:00
parent 884d26c84c
commit 93637258fd
1 changed files with 0 additions and 15 deletions
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15
sys/dev/hyperv/vmbus/vmbus.c
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@ -982,20 +982,6 @@ vmbus_read_ivar(device_t dev, device_t child, int index, uintptr_t *result)
return (ENOENT);
}
static int
vmbus_write_ivar(device_t dev, device_t child, int index, uintptr_t value)
{
switch (index) {
case HV_VMBUS_IVAR_TYPE:
case HV_VMBUS_IVAR_INSTANCE:
case HV_VMBUS_IVAR_DEVCTX:
case HV_VMBUS_IVAR_NODE:
/* read-only */
return (EINVAL);
}
return (ENOENT);
}
static int
vmbus_child_pnpinfo_str(device_t dev, device_t child, char *buf, size_t buflen)
{
@ -1311,7 +1297,6 @@ static device_method_t vmbus_methods[] = {
DEVMETHOD(bus_add_child, bus_generic_add_child),
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_read_ivar, vmbus_read_ivar),
DEVMETHOD(bus_write_ivar, vmbus_write_ivar),
DEVMETHOD(bus_child_pnpinfo_str, vmbus_child_pnpinfo_str),
/* Vmbus interface */