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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-12-05 00:49:17 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-12-09 03:25:01 +0300
commit14b6257a5f3dca3817b0826cb32967e3c2b935c8 (patch)
treecaf824c65fb41b7678056fda79a40c180001b87c /include/linux/device.h
parent4077a387b79f41e262e9e7332a23b24860407b18 (diff)
downloadlinux-14b6257a5f3dca3817b0826cb32967e3c2b935c8.tar.xz
device core: add BUS_NOTIFY_DRIVER_NOT_BOUND notification
The users of BUS_NOTIFY_BIND_DRIVER have no chance to do any cleanup in case of a probe failure. In the result there might be problems, such as some resources that had been allocated will continue to be allocated and therefore lead to a resource leak. Introduce a new notification to inform the subscriber that ->probe() failed. Do the same in case of failed device_bind_driver() call. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index b8f411b57dcb..f627ba20a46c 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -191,6 +191,7 @@ extern int bus_unregister_notifier(struct bus_type *bus,
unbound */
#define BUS_NOTIFY_UNBOUND_DRIVER 0x00000007 /* driver is unbound
from the device */
+#define BUS_NOTIFY_DRIVER_NOT_BOUND 0x00000008 /* driver fails to be bound */
extern struct kset *bus_get_kset(struct bus_type *bus);
extern struct klist *bus_get_device_klist(struct bus_type *bus);