[PATCH 16/38] mips: sgi-ip22: add missing put_device call

[Levente Kurusa <levex@linux.com>]

This is required so that we give up the last reference to the device.

Also, create a gio_bus_release() that calls kfree on the device argument to
properly kfree() the memory allocated for the device.

Signed-off-by: Levente Kurusa <levex@linux.com>
---
 arch/mips/sgi-ip22/ip22-gio.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/mips/sgi-ip22/ip22-gio.c b/arch/mips/sgi-ip22/ip22-gio.c
index ab0e379..931da33 100644
--- a/arch/mips/sgi-ip22/ip22-gio.c
+++ b/arch/mips/sgi-ip22/ip22-gio.c
@@ -24,8 +24,13 @@ static struct {
 	{ .name = "SGI GR2/GR3", .id = 0x7f },
 };
 
+void gio_bus_release(struct device *dev) {
+	kfree(dev);
+}
+
 static struct device gio_bus = {
 	.init_name = "gio",
+	.release = &gio_bus_release,
 };
 
 /**
@@ -400,8 +405,10 @@ int __init ip22_gio_init(void)
 	int ret;
 
 	ret = device_register(&gio_bus);
-	if (ret)
+	if (ret) {
+		put_device(&gio_bus);
 		return ret;
+	}
 
 	ret = bus_register(&gio_bus_type);
 	if (!ret) {
-- 
1.8.3.1