Patch "powerpc/ibmebus: Fix further device reference leaks" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

powerpc/ibmebus: Fix further device reference leaks

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
powerpc-ibmebus-fix-further-device-reference-leaks.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Johan Hovold <[email protected]>
Date: Tue, 1 Nov 2016 16:26:01 +0100
Subject: powerpc/ibmebus: Fix further device reference leaks

From: Johan Hovold <[email protected]>

commit 815a7141c4d1b11610dccb7fcbb38633759824f2 upstream.

Make sure to drop any reference taken by bus_find_device() when creating devices during init and driver registration.

---
 arch/powerpc/kernel/ibmebus.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

@@ -180,6 +180,7 @@ static int ibmebus_create_device(struct
 static int ibmebus_create_devices(const struct of_device_id *matches)
 {
 	struct device_node *root, *child;
+	struct device *dev;
 	int ret = 0;
 
 	root = of_find_node_by_path("/");

@@ -188,9 +189,12 @@ static int ibmebus_create_devices(const
 		if (!of_match_node(matches, child))
 			continue;
 
-		if (bus_find_device(&ibmebus_bus_type, NULL, child,
-				    ibmebus_match_node))
+		dev = bus_find_device(&ibmebus_bus_type, NULL, child,
+				      ibmebus_match_node);
+		if (dev) {
+			put_device(dev);
 			continue;
+		}
 
 		ret = ibmebus_create_device(child);
 		if (ret) {

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/usb-serial-ch341-fix-modem-control-and-b0-handling.patch queue-4.4/powerpc-ibmebus-fix-further-device-reference-leaks.patch queue-4.4/usb-serial-ch341-fix-control-message-error-handling.patch queue-4.4/usb-serial-ch341-fix-open-and-resume-after-b0.patch queue-4.4/usb-serial-ch341-fix-open-error-handling.patch queue-4.4/usb-serial-ch341-fix-initial-modem-control-state.patch queue-4.4/bus-vexpress-config-fix-device-reference-leak.patch queue-4.4/powerpc-ibmebus-fix-device-reference-leaks-in-sysfs-interface.patch queue-4.4/usb-serial-kl5kusb105-fix-line-state-error-handling.patch queue-4.4/usb-serial-ch341-fix-resume-after-reset.patch