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authorMathieu Poirier <mathieu.poirier@linaro.org>2016-02-02 14:13:58 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-03 06:23:22 +0200
commita2828b9445919489c10afb2dab09b1e41676df6f (patch)
tree59eb5365052dedffd37ac1b145a26ce22c02d8f5 /drivers/hwtracing
parent3e2070abcc90909d6a10e32ba8cda5529a978e8c (diff)
coresight: release reference taken by 'bus_find_device()'
[ 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>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/coresight.c2
1 files changed, 2 insertions, 0 deletions
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;