Re: [PATCH] PCI: uniphier: Fix some error handling in uniphier_pcie_ep_probe()

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Hi Dan,

On 2020/06/04 2:52, Dan Carpenter wrote:
This code is checking the wrong variable.  It should be checking
"clk_gio" instead of "clk".  The "priv->clk" pointer is NULL at this
point so the condition is false.

Fixes: 006564dee8253 ("PCI: uniphier: Add Socionext UniPhier Pro5 PCIe endpoint controller driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
  drivers/pci/controller/dwc/pcie-uniphier-ep.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/controller/dwc/pcie-uniphier-ep.c b/drivers/pci/controller/dwc/pcie-uniphier-ep.c
index 0f36aa33d2e50..1483559600610 100644
--- a/drivers/pci/controller/dwc/pcie-uniphier-ep.c
+++ b/drivers/pci/controller/dwc/pcie-uniphier-ep.c
@@ -324,8 +324,8 @@ static int uniphier_pcie_ep_probe(struct platform_device *pdev)
  		return PTR_ERR(priv->base);
priv->clk_gio = devm_clk_get(dev, "gio");
-	if (IS_ERR(priv->clk))
-		return PTR_ERR(priv->clk);
+	if (IS_ERR(priv->clk_gio))
+		return PTR_ERR(priv->clk_gio);
priv->rst_gio = devm_reset_control_get_shared(dev, "gio");
  	if (IS_ERR(priv->rst_gio))


Thank you for pointing out.
Certainly this is a wrong check.

Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>

Thanks,

---
Best Regards
Kunihiko Hayashi



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