diff mbox series

[06/23] interconnect: qcom: rpm: fix probe child-node error handling

Message ID 20230201101559.15529-7-johan+linaro@kernel.org (mailing list archive)
State New
Headers show
Series interconnect: fix racy provider registration | expand

Commit Message

Johan Hovold Feb. 1, 2023, 10:15 a.m. UTC
Make sure to clean up and release resources properly also in case probe
fails when populating child devices.

Fixes: e39bf2972c6e ("interconnect: icc-rpm: Support child NoC device probe")
Cc: stable@vger.kernel.org      # 5.17
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 drivers/interconnect/qcom/icc-rpm.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Comments

Konrad Dybcio Feb. 3, 2023, 2:52 a.m. UTC | #1
On 1.02.2023 11:15, Johan Hovold wrote:
> Make sure to clean up and release resources properly also in case probe
> fails when populating child devices.
> 
> Fixes: e39bf2972c6e ("interconnect: icc-rpm: Support child NoC device probe")
> Cc: stable@vger.kernel.org      # 5.17
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
>  drivers/interconnect/qcom/icc-rpm.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
> index df3196f72536..91778cfcbc65 100644
> --- a/drivers/interconnect/qcom/icc-rpm.c
> +++ b/drivers/interconnect/qcom/icc-rpm.c
> @@ -541,8 +541,11 @@ int qnoc_probe(struct platform_device *pdev)
>  	platform_set_drvdata(pdev, qp);
>  
>  	/* Populate child NoC devices if any */
> -	if (of_get_child_count(dev->of_node) > 0)
> -		return of_platform_populate(dev->of_node, NULL, NULL, dev);
> +	if (of_get_child_count(dev->of_node) > 0) {
> +		ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
> +		if (ret)
> +			goto err;
> +	}
>  
>  	return 0;
>  err:
diff mbox series

Patch

diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
index df3196f72536..91778cfcbc65 100644
--- a/drivers/interconnect/qcom/icc-rpm.c
+++ b/drivers/interconnect/qcom/icc-rpm.c
@@ -541,8 +541,11 @@  int qnoc_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, qp);
 
 	/* Populate child NoC devices if any */
-	if (of_get_child_count(dev->of_node) > 0)
-		return of_platform_populate(dev->of_node, NULL, NULL, dev);
+	if (of_get_child_count(dev->of_node) > 0) {
+		ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
+		if (ret)
+			goto err;
+	}
 
 	return 0;
 err: