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authorTobias Jordan <Tobias.Jordan@elektrobit.com>2018-02-15 17:34:55 +0300
committerPhilipp Zabel <p.zabel@pengutronix.de>2018-02-19 17:12:59 +0300
commitc795f3052b60b01e80485fad98c53e5e67d093c9 (patch)
tree7d721a032136282f6dd088d2081c84e5b5630099 /drivers/gpu/ipu-v3
parent6d36b7fec60e6f74a15ce4781d30b2aecce85dfc (diff)
downloadlinux-c795f3052b60b01e80485fad98c53e5e67d093c9.tar.xz
gpu: ipu-v3: pre: fix device node leak in ipu_pre_lookup_by_phandle
Before returning, call of_node_put() for the device node returned by of_parse_phandle(). Fixes: d2a34232580a ("gpu: ipu-v3: add driver for Prefetch Resolve Engine") Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/ipu-v3')
-rw-r--r--drivers/gpu/ipu-v3/ipu-pre.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c
index f1cec3d70498..0f70e8847540 100644
--- a/drivers/gpu/ipu-v3/ipu-pre.c
+++ b/drivers/gpu/ipu-v3/ipu-pre.c
@@ -129,11 +129,14 @@ ipu_pre_lookup_by_phandle(struct device *dev, const char *name, int index)
if (pre_node == pre->dev->of_node) {
mutex_unlock(&ipu_pre_list_mutex);
device_link_add(dev, pre->dev, DL_FLAG_AUTOREMOVE);
+ of_node_put(pre_node);
return pre;
}
}
mutex_unlock(&ipu_pre_list_mutex);
+ of_node_put(pre_node);
+
return NULL;
}