Xen: consolidate and simplify struct xenbus_driver instantiation
The 'name', 'owner', and 'mod_name' members are redundant with the
identically named fields in the 'driver' sub-structure. Rather than
switching each instance to specify these fields explicitly, introduce
a macro to simplify this.
Eliminate further redundancy by allowing the drvname argument to
DEFINE_XENBUS_DRIVER() to be blank (in which case the first entry from
the ID table will be used for .driver.name).
Also eliminate the questionable xenbus_register_{back,front}end()
wrappers - their sole remaining purpose was the checking of the
'owner' field, proper setting of which shouldn't be an issue anymore
when the macro gets used.
v2: Restore DRV_NAME for the driver name in xen-pciback.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 226faab..81ff5a7 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1910,7 +1910,7 @@
#endif /* CONFIG_SYSFS */
-static struct xenbus_device_id netfront_ids[] = {
+static const struct xenbus_device_id netfront_ids[] = {
{ "vif" },
{ "" }
};
@@ -1937,15 +1937,12 @@
return 0;
}
-static struct xenbus_driver netfront_driver = {
- .name = "vif",
- .owner = THIS_MODULE,
- .ids = netfront_ids,
+static DEFINE_XENBUS_DRIVER(netfront, ,
.probe = netfront_probe,
.remove = __devexit_p(xennet_remove),
.resume = netfront_resume,
.otherend_changed = netback_changed,
-};
+);
static int __init netif_init(void)
{