Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 056/131] coresight: release reference taken by bus_find_device() | Date | Mon, 1 Apr 2019 19:02:06 +0200 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit f2dfab3568fc32afeac8b698481e80e7ab2dc658 ]
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.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 a7d1edbf3340..5e2a2a5ad601 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -573,6 +573,8 @@ 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; -- 2.19.1
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