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authorJohan Hovold <johan+linaro@kernel.org>2023-11-17 18:36:49 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-11-22 12:14:35 +0000
commit9feefbf57d92e8ee293dad67585d351c7d0b6e37 (patch)
tree6dbd92f6ac6848016a73205053d932901b6966f4
parent51392a1879ff06dc21b68aef4825f6ef68a7be42 (diff)
downloadlinux-9feefbf57d92e8ee293dad67585d351c7d0b6e37.tar.gz
USB: dwc3: qcom: fix software node leak on probe errors
Make sure to remove the software node also on (ACPI) probe errors to avoid leaking the underlying resources. Note that the software node is only used for ACPI probe so the driver unbind tear down is updated to match probe. Fixes: 8dc6e6dd1bee ("usb: dwc3: qcom: Constify the software node") Cc: stable@vger.kernel.org # 5.12 Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Andrew Halaney <ahalaney@redhat.com> Link: https://lore.kernel.org/r/20231117173650.21161-3-johan+linaro@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/dwc3/dwc3-qcom.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 313a8ac2bd6017..a9bce4548019fd 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -928,10 +928,12 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
interconnect_exit:
dwc3_qcom_interconnect_exit(qcom);
depopulate:
- if (np)
+ if (np) {
of_platform_depopulate(&pdev->dev);
- else
+ } else {
+ device_remove_software_node(&qcom->dwc3->dev);
platform_device_del(qcom->dwc3);
+ }
platform_device_put(qcom->dwc3);
clk_disable:
for (i = qcom->num_clocks - 1; i >= 0; i--) {
@@ -951,11 +953,12 @@ static void dwc3_qcom_remove(struct platform_device *pdev)
struct device *dev = &pdev->dev;
int i;
- device_remove_software_node(&qcom->dwc3->dev);
- if (np)
+ if (np) {
of_platform_depopulate(&pdev->dev);
- else
+ } else {
+ device_remove_software_node(&qcom->dwc3->dev);
platform_device_del(qcom->dwc3);
+ }
platform_device_put(qcom->dwc3);
for (i = qcom->num_clocks - 1; i >= 0; i--) {