| Message ID | 20240814093957.37940-2-krzysztof.kozlowski@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | [1/2] usb: dwc3: st: fix probed platform device ref count on probe error path | expand |
On Wed, Aug 14, 2024, Krzysztof Kozlowski wrote: > Depopulate device in probe error paths to fix leak of children > resources. > > Fixes: f83fca0707c6 ("usb: dwc3: add ST dwc3 glue layer to manage dwc3 HC") > Cc: <stable@vger.kernel.org> > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > > --- > > Context of my other cleanup patches (separate series to be sent soon) > will depend on this. > --- > drivers/usb/dwc3/dwc3-st.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c > index a9cb04043f08..c8c7cd0c1796 100644 > --- a/drivers/usb/dwc3/dwc3-st.c > +++ b/drivers/usb/dwc3/dwc3-st.c > @@ -266,7 +266,7 @@ static int st_dwc3_probe(struct platform_device *pdev) > if (!child_pdev) { > dev_err(dev, "failed to find dwc3 core device\n"); > ret = -ENODEV; > - goto err_node_put; > + goto depopulate; > } > > dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev); > @@ -282,6 +282,7 @@ static int st_dwc3_probe(struct platform_device *pdev) > ret = st_dwc3_drd_init(dwc3_data); > if (ret) { > dev_err(dev, "drd initialisation failed\n"); > + of_platform_depopulate(dev); > goto undo_softreset; > } > > @@ -291,6 +292,8 @@ static int st_dwc3_probe(struct platform_device *pdev) > platform_set_drvdata(pdev, dwc3_data); > return 0; > > +depopulate: > + of_platform_depopulate(dev); > err_node_put: > of_node_put(child); > undo_softreset: > -- > 2.43.0 > Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Thanks, Thinh
diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index a9cb04043f08..c8c7cd0c1796 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -266,7 +266,7 @@ static int st_dwc3_probe(struct platform_device *pdev) if (!child_pdev) { dev_err(dev, "failed to find dwc3 core device\n"); ret = -ENODEV; - goto err_node_put; + goto depopulate; } dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev); @@ -282,6 +282,7 @@ static int st_dwc3_probe(struct platform_device *pdev) ret = st_dwc3_drd_init(dwc3_data); if (ret) { dev_err(dev, "drd initialisation failed\n"); + of_platform_depopulate(dev); goto undo_softreset; } @@ -291,6 +292,8 @@ static int st_dwc3_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dwc3_data); return 0; +depopulate: + of_platform_depopulate(dev); err_node_put: of_node_put(child); undo_softreset:
Depopulate device in probe error paths to fix leak of children resources. Fixes: f83fca0707c6 ("usb: dwc3: add ST dwc3 glue layer to manage dwc3 HC") Cc: <stable@vger.kernel.org> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- Context of my other cleanup patches (separate series to be sent soon) will depend on this. --- drivers/usb/dwc3/dwc3-st.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)