[PATCH 06/11] USB: dwc3: clean up probe error labels

From: Johan Hovold
Date: Tue Apr 04 2023 - 03:26:30 EST


Use descriptive names consistently for the probe error labels.

Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
---
drivers/usb/dwc3/core.c | 45 ++++++++++++++++++++---------------------
1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index d837ab511686..de84e057d28b 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1705,7 +1705,7 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->reset = devm_reset_control_array_get_optional_shared(dev);
if (IS_ERR(dwc->reset)) {
ret = PTR_ERR(dwc->reset);
- goto put_usb_psy;
+ goto err_put_psy;
}

if (dev->of_node) {
@@ -1719,7 +1719,7 @@ static int dwc3_probe(struct platform_device *pdev)
if (IS_ERR(dwc->bus_clk)) {
ret = dev_err_probe(dev, PTR_ERR(dwc->bus_clk),
"could not get bus clock\n");
- goto put_usb_psy;
+ goto err_put_psy;
}

if (dwc->bus_clk == NULL) {
@@ -1727,7 +1727,7 @@ static int dwc3_probe(struct platform_device *pdev)
if (IS_ERR(dwc->bus_clk)) {
ret = dev_err_probe(dev, PTR_ERR(dwc->bus_clk),
"could not get bus clock\n");
- goto put_usb_psy;
+ goto err_put_psy;
}
}

@@ -1735,7 +1735,7 @@ static int dwc3_probe(struct platform_device *pdev)
if (IS_ERR(dwc->ref_clk)) {
ret = dev_err_probe(dev, PTR_ERR(dwc->ref_clk),
"could not get ref clock\n");
- goto put_usb_psy;
+ goto err_put_psy;
}

if (dwc->ref_clk == NULL) {
@@ -1743,7 +1743,7 @@ static int dwc3_probe(struct platform_device *pdev)
if (IS_ERR(dwc->ref_clk)) {
ret = dev_err_probe(dev, PTR_ERR(dwc->ref_clk),
"could not get ref clock\n");
- goto put_usb_psy;
+ goto err_put_psy;
}
}

@@ -1751,7 +1751,7 @@ static int dwc3_probe(struct platform_device *pdev)
if (IS_ERR(dwc->susp_clk)) {
ret = dev_err_probe(dev, PTR_ERR(dwc->susp_clk),
"could not get suspend clock\n");
- goto put_usb_psy;
+ goto err_put_psy;
}

if (dwc->susp_clk == NULL) {
@@ -1759,23 +1759,23 @@ static int dwc3_probe(struct platform_device *pdev)
if (IS_ERR(dwc->susp_clk)) {
ret = dev_err_probe(dev, PTR_ERR(dwc->susp_clk),
"could not get suspend clock\n");
- goto put_usb_psy;
+ goto err_put_psy;
}
}
}

ret = reset_control_deassert(dwc->reset);
if (ret)
- goto put_usb_psy;
+ goto err_put_psy;

ret = dwc3_clk_enable(dwc);
if (ret)
- goto assert_reset;
+ goto err_assert_reset;

if (!dwc3_core_is_valid(dwc)) {
dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n");
ret = -ENODEV;
- goto disable_clks;
+ goto err_disable_clks;
}

platform_set_drvdata(pdev, dwc);
@@ -1785,7 +1785,7 @@ static int dwc3_probe(struct platform_device *pdev)
DWC3_GHWPARAMS0_AWIDTH(dwc->hwparams.hwparams0) == 64) {
ret = dma_set_mask_and_coherent(dwc->sysdev, DMA_BIT_MASK(64));
if (ret)
- goto disable_clks;
+ goto err_disable_clks;
}

spin_lock_init(&dwc->lock);
@@ -1803,23 +1803,23 @@ static int dwc3_probe(struct platform_device *pdev)
if (ret) {
dev_err(dwc->dev, "failed to allocate event buffers\n");
ret = -ENOMEM;
- goto err2;
+ goto err_allow_rpm;
}

dwc->edev = dwc3_get_extcon(dwc);
if (IS_ERR(dwc->edev)) {
ret = dev_err_probe(dwc->dev, PTR_ERR(dwc->edev), "failed to get extcon\n");
- goto err3;
+ goto err_free_event_buffers;
}

ret = dwc3_get_dr_mode(dwc);
if (ret)
- goto err3;
+ goto err_free_event_buffers;

ret = dwc3_core_init(dwc);
if (ret) {
dev_err_probe(dev, ret, "failed to initialize core\n");
- goto err3;
+ goto err_free_event_buffers;
}

dwc3_check_params(dwc);
@@ -1827,13 +1827,13 @@ static int dwc3_probe(struct platform_device *pdev)

ret = dwc3_core_init_mode(dwc);
if (ret)
- goto err5;
+ goto err_exit_debugfs;

pm_runtime_put(dev);

return 0;

-err5:
+err_exit_debugfs:
dwc3_debugfs_exit(dwc);
dwc3_event_buffers_cleanup(dwc);

@@ -1848,20 +1848,19 @@ static int dwc3_probe(struct platform_device *pdev)
phy_exit(dwc->usb3_generic_phy);

dwc3_ulpi_exit(dwc);
-err3:
+err_free_event_buffers:
dwc3_free_event_buffers(dwc);
-
-err2:
+err_allow_rpm:
pm_runtime_allow(dev);
pm_runtime_disable(dev);
pm_runtime_dont_use_autosuspend(dev);
pm_runtime_set_suspended(dev);
pm_runtime_put_noidle(dev);
-disable_clks:
+err_disable_clks:
dwc3_clk_disable(dwc);
-assert_reset:
+err_assert_reset:
reset_control_assert(dwc->reset);
-put_usb_psy:
+err_put_psy:
if (dwc->usb_psy)
power_supply_put(dwc->usb_psy);

--
2.39.2