[PATCH v3 08/21] staging: media: tegra-video: slightly simplify cleanup on errors

From: Luca Ceresoli
Date: Thu Dec 29 2022 - 08:33:19 EST


of_node_put(node) does nothing if node == NULL, so it can be moved to the
cleanup section at the bottom.

Signed-off-by: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx>

---

No changes in v3
No changes in v2
---
drivers/staging/media/tegra-video/vi.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c
index 0e5067a7986a..c2724e1ecafb 100644
--- a/drivers/staging/media/tegra-video/vi.c
+++ b/drivers/staging/media/tegra-video/vi.c
@@ -1263,7 +1263,7 @@ static int tegra_vi_channels_alloc(struct tegra_vi *vi)
struct device_node *node = vi->dev->of_node;
struct device_node *ep = NULL;
struct device_node *ports;
- struct device_node *port;
+ struct device_node *port = NULL;
unsigned int port_num;
struct device_node *parent;
struct v4l2_fwnode_endpoint v4l2_ep = { .bus_type = 0 };
@@ -1286,7 +1286,6 @@ static int tegra_vi_channels_alloc(struct tegra_vi *vi)
dev_err(vi->dev, "invalid port num %d for %pOF\n",
port_num, port);
ret = -EINVAL;
- of_node_put(port);
goto cleanup;
}

@@ -1309,13 +1308,12 @@ static int tegra_vi_channels_alloc(struct tegra_vi *vi)

lanes = v4l2_ep.bus.mipi_csi2.num_data_lanes;
ret = tegra_vi_channel_alloc(vi, port_num, port, lanes);
- if (ret < 0) {
- of_node_put(port);
+ if (ret < 0)
goto cleanup;
- }
}

cleanup:
+ of_node_put(port);
of_node_put(ports);
return ret;
}
--
2.34.1