> From: Lijun Fang [mailto:fanglijun3@xxxxxxxxxx] > Sent: Monday, March 14, 2022 2:10 PM > To: linux-media@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Cc: Ming Qian <ming.qian@xxxxxxx>; Shijie Qin <shijie.qin@xxxxxxx>; Eagle > Zhou <eagle.zhou@xxxxxxx>; mchehab@xxxxxxxxxx; hverkuil-cisco@xxxxxxxxx; > xuqiang36@xxxxxxxxxx > Subject: [PATCH] media: amphion: Add missing of_node_put() in > vpu_core_parse_dt > > The device_node pointer is returned by of_parse_phandle() with refcount > incremented. We should use of_node_put() on it when done. > > Fixes: 9f599f351e86 ("media: amphion: add vpu core driver") > Signed-off-by: Lijun Fang <fanglijun3@xxxxxxxxxx> Reviewed-by: Ming Qian <ming.qian@xxxxxxx> > --- > drivers/media/platform/amphion/vpu_core.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/media/platform/amphion/vpu_core.c > b/drivers/media/platform/amphion/vpu_core.c > index 016554387f3f..74edc4abbdaa 100644 > --- a/drivers/media/platform/amphion/vpu_core.c > +++ b/drivers/media/platform/amphion/vpu_core.c > @@ -529,10 +529,12 @@ static int vpu_core_parse_dt(struct vpu_core *core, > struct device_node *np) > } > if (of_address_to_resource(node, 0, &res)) { > dev_err(core->dev, "boot-region of_address_to_resource error\n"); > + of_node_put(node); > return -EINVAL; > } > core->fw.phys = res.start; > core->fw.length = resource_size(&res); > + of_node_put(node); > > node = of_parse_phandle(np, "memory-region", 1); > if (!node) { > @@ -541,10 +543,12 @@ static int vpu_core_parse_dt(struct vpu_core *core, > struct device_node *np) > } > if (of_address_to_resource(node, 0, &res)) { > dev_err(core->dev, "rpc-region of_address_to_resource error\n"); > + of_node_put(node); > return -EINVAL; > } > core->rpc.phys = res.start; > core->rpc.length = resource_size(&res); > + of_node_put(node); > > if (core->rpc.length < core->res->rpc_size + core->res->fwlog_size) { > dev_err(core->dev, "the rpc-region <%pad, 0x%x> is not enough\n", > -- > 2.17.1