[PATCH 4/5] coresight: release reference taken by 'bus_find_device()'

From	Mathieu Poirier <mathieu.poirier@linaro.org>
Newsgroups	linux.kernel
Subject	[PATCH 4/5] coresight: release reference taken by 'bus_find_device()'
Date	2016-01-14 20:00 +0100
Message-ID	<qQVhM-2GT-3@gated-at.bofh.it> (permalink)
References	<qQVhM-2GT-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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The reference count taken by function bus_find_device() needs
to be released if a child device is found, something this patch
is adding.

Reported-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
 drivers/hwtracing/coresight/coresight.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c
index 8872db4410eb..a35ca54a76c9 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -570,6 +570,8 @@ static void coresight_fixup_device_conns(struct coresight_device *csdev)
 
 		if (dev) {
 			conn->child_dev = to_coresight_device(dev);
+			/* and put reference from 'bus_find_device()' */
+			put_device(dev);
 		} else {
 			csdev->orphan = true;
 			conn->child_dev = NULL;
-- 
2.1.4

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[PATCH 4/5] coresight: release reference taken by 'bus_find_device()' Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-01-14 20:00 +0100

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