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coresight: platform: Fix leaking device reference

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We don't drop the reference on the remote device while parsing the
connection, held by bus_find_device(). Fix this by duplicating the
device name and dropping the reference.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Suzuki K Poulose 2018-09-20 13:17:39 -06:00 committed by Greg Kroah-Hartman
parent a0f9992c80
commit 5111e749c7
1 changed files with 5 additions and 1 deletions
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6
drivers/hwtracing/coresight/of_coresight.c
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@ -162,7 +162,9 @@ static int of_coresight_parse_endpoint(struct device *dev,
}
pdata->outports[i] = endpoint.port;
pdata->child_names[i] = dev_name(rdev);
pdata->child_names[i] = devm_kstrdup(dev,
dev_name(rdev),
GFP_KERNEL);
pdata->child_ports[i] = rendpoint.id;
/* Connection record updated */
ret = 1;
@ -172,6 +174,8 @@ static int of_coresight_parse_endpoint(struct device *dev,
of_node_put(rparent);
if (rport)
of_node_put(rport);
if (rdev)
put_device(rdev);
return ret;
}