diff options
| author |   Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-09-20 13:17:39 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-25 20:09:17 +0200 |
| commit | 5111e749c775ebae6f7d39c6f836cb3f06c7b938 (patch) | |
| tree | 91ade35beb69abe0d1533c4664d5644b54934614 /drivers/hwtracing | |
| parent | coresight: platform: Fix refcounting for graph nodes (diff) | |
| download | linux-dev-5111e749c775ebae6f7d39c6f836cb3f06c7b938.tar.xz linux-dev-5111e749c775ebae6f7d39c6f836cb3f06c7b938.zip | |
coresight: platform: Fix leaking device reference
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>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/of_coresight.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/of_coresight.c b/drivers/hwtracing/coresight/of_coresight.c index 28d3aef1660b..4b279f8fea0c 100644 --- a/drivers/hwtracing/coresight/of_coresight.c +++ b/drivers/hwtracing/coresight/of_coresight.c @@ -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; } |