* Re: [linux-safety] [PATCH] PCI: dwc/meson: Use PTR_ERR_OR_ZERO
[not found] <20201116163418.10529-1-sudipm.mukherjee@gmail.com>
@ 2020-11-17 8:36 ` Neil Armstrong
0 siblings, 0 replies; only message in thread
From: Neil Armstrong @ 2020-11-17 8:36 UTC (permalink / raw)
To: Sudip Mukherjee, Yue Wang, Lorenzo Pieralisi, Rob Herring,
Bjorn Helgaas, Kevin Hilman, Jerome Brunet, Martin Blumenstingl
Cc: linux-kernel, linux-safety, linux-pci, linux-amlogic, linux-arm-kernel
On 16/11/2020 17:34, Sudip Mukherjee wrote:
> Coccinelle suggested using PTR_ERR_OR_ZERO() and looking at the code,
> we can use PTR_ERR_OR_ZERO() instead of checking IS_ERR() and then
> doing 'return 0'.
>
> Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
> ---
> drivers/pci/controller/dwc/pci-meson.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c
> index 1913dc2c8fa0..f4261f5aceb1 100644
> --- a/drivers/pci/controller/dwc/pci-meson.c
> +++ b/drivers/pci/controller/dwc/pci-meson.c
> @@ -115,10 +115,8 @@ static int meson_pcie_get_mems(struct platform_device *pdev,
> return PTR_ERR(pci->dbi_base);
>
> mp->cfg_base = devm_platform_ioremap_resource_byname(pdev, "cfg");
> - if (IS_ERR(mp->cfg_base))
> - return PTR_ERR(mp->cfg_base);
>
> - return 0;
> + return PTR_ERR_OR_ZERO(mp->cfg_base);
> }
>
> static int meson_pcie_power_on(struct meson_pcie *mp)
> @@ -208,10 +206,8 @@ static int meson_pcie_probe_clocks(struct meson_pcie *mp)
> return PTR_ERR(res->general_clk);
>
> res->clk = meson_pcie_probe_clock(dev, "pclk", 0);
> - if (IS_ERR(res->clk))
> - return PTR_ERR(res->clk);
>
> - return 0;
> + return PTR_ERR_OR_ZERO(res->clk);
> }
>
> static inline u32 meson_cfg_readl(struct meson_pcie *mp, u32 reg)
>
Hi,
This has been nacked multiple times already:
https://lore.kernel.org/linux-pci/20190527140952.GB7202@ulmo/
Neil
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2020-11-17 8:36 ` [linux-safety] [PATCH] PCI: dwc/meson: Use PTR_ERR_OR_ZERO Neil Armstrong
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