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-rw-r--r--drivers/base/bus.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 03204bfd17a..fa601b085eb 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -133,7 +133,7 @@ static struct kobj_type ktype_bus = {
decl_subsys(bus, &ktype_bus, NULL);
-/* Manually detach a device from it's associated driver. */
+/* Manually detach a device from its associated driver. */
static int driver_helper(struct device *dev, void *data)
{
const char *name = data;
@@ -151,14 +151,13 @@ static ssize_t driver_unbind(struct device_driver *drv,
int err = -ENODEV;
dev = bus_find_device(bus, NULL, (void *)buf, driver_helper);
- if ((dev) &&
- (dev->driver == drv)) {
+ if (dev && dev->driver == drv) {
device_release_driver(dev);
err = count;
}
- if (err)
- return err;
- return count;
+ put_device(dev);
+ put_bus(bus);
+ return err;
}
static DRIVER_ATTR(unbind, S_IWUSR, NULL, driver_unbind);
@@ -175,16 +174,14 @@ static ssize_t driver_bind(struct device_driver *drv,
int err = -ENODEV;
dev = bus_find_device(bus, NULL, (void *)buf, driver_helper);
- if ((dev) &&
- (dev->driver == NULL)) {
+ if (dev && dev->driver == NULL) {
down(&dev->sem);
err = driver_probe_device(drv, dev);
up(&dev->sem);
- put_device(dev);
}
- if (err)
- return err;
- return count;
+ put_device(dev);
+ put_bus(bus);
+ return err;
}
static DRIVER_ATTR(bind, S_IWUSR, NULL, driver_bind);