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Subject[PATCH] PCI: fix ptr_ret.cocci warnings
From: kbuild test robot <lkp@intel.com>

drivers/pci/controller/dwc/pci-exynos.c:95:1-3: WARNING: PTR_ERR_OR_ZERO can be used


Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 191d6f91f283 ("PCI: Remove PCI_MSI_IRQ_DOMAIN architecture whitelist")
CC: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
---

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 36487907f34131c7e3df5b1e6b30b4e3dfcdc0af
commit: 191d6f91f283dfb007499bb8529d54c3ac434bd7 PCI: Remove PCI_MSI_IRQ_DOMAIN architecture whitelist

pci-exynos.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/pci/controller/dwc/pci-exynos.c
+++ b/drivers/pci/controller/dwc/pci-exynos.c
@@ -92,10 +92,7 @@ static int exynos5440_pcie_get_mem_resou

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ep->mem_res->elbi_base = devm_ioremap_resource(dev, res);
- if (IS_ERR(ep->mem_res->elbi_base))
- return PTR_ERR(ep->mem_res->elbi_base);
-
- return 0;
+ return PTR_ERR_OR_ZERO(ep->mem_res->elbi_base);
}

static int exynos5440_pcie_get_clk_resources(struct exynos_pcie *ep)
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