# \[PATCH v7 07/11\] staging: vchiq: Release firmware handle on unbind

- From: Nicolas Saenz Julienne \<hidden\>
- Date: 2021-01-18 13:14:09 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/01/6238488
- Thread: https://ratatoskr.run/linux-pwm/2021/01/6238423/t.md

```text
Use devm_rpi_firmware_get() so as to make sure we release RPi's firmware
interface when unbinding the device.

Signed-off-by: Nicolas Saenz Julienne <redacted>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 59e45dc03a97..f27072837247 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -2734,7 +2734,7 @@ static int vchiq_probe(struct platform_device *pdev)
 		return -ENOENT;
 	}
 
-	drvdata->fw = rpi_firmware_get(fw_node);
+	drvdata->fw = devm_rpi_firmware_get(&pdev->dev, fw_node);
 	of_node_put(fw_node);
 	if (!drvdata->fw)
 		return -EPROBE_DEFER;
-- 
2.29.2


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```
