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| author |   Fabio Estevam <fabio.estevam@nxp.com> | 2017-07-22 17:25:19 -0300 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2017-08-03 17:01:55 -0500 |
| commit | e2e5d7bf9ba68e2ed0c70e10892472a8dd9ed9c2 (patch) | |
| tree | 86bb25e899f1fbf2872204d3bb82c5dd7ac6dbff /drivers/pci/dwc | |
| parent | Linux 4.13-rc3 (diff) | |
| download | linux-dev-e2e5d7bf9ba68e2ed0c70e10892472a8dd9ed9c2.tar.xz linux-dev-e2e5d7bf9ba68e2ed0c70e10892472a8dd9ed9c2.zip | |
PCI: armada8k: Check the return value from clk_prepare_enable()
clk_prepare_enable() may fail, so check its return value and propagate it
in the case of error.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'drivers/pci/dwc')
| -rw-r--r-- | drivers/pci/dwc/pcie-armada8k.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/dwc/pcie-armada8k.c b/drivers/pci/dwc/pcie-armada8k.c index ea8f34af6a85..729722366c63 100644 --- a/drivers/pci/dwc/pcie-armada8k.c +++ b/drivers/pci/dwc/pcie-armada8k.c @@ -226,7 +226,9 @@ static int armada8k_pcie_probe(struct platform_device *pdev) if (IS_ERR(pcie->clk)) return PTR_ERR(pcie->clk); - clk_prepare_enable(pcie->clk); + ret = clk_prepare_enable(pcie->clk); + if (ret) + return ret; /* Get the dw-pcie unit configuration/control registers base. */ base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl"); |