On Tue, Oct 27, 2020 at 11:34:46AM -0500, Bjorn Helgaas wrote: > Hi Jingoo, > > Please take a look at this issue reported by Coverity: > > 222 static void exynos_pcie_assert_reset(struct exynos_pcie *ep) > 223 { > 224 struct dw_pcie *pci = ep->pci; > 225 struct device *dev = pci->dev; > 226 > 1. Condition ep->reset_gpio >= 0, taking true branch. > 227 if (ep->reset_gpio >= 0) > > CID 1437287 (#1 of 1): Unchecked return value (CHECKED_RETURN) 2. > check_return: Calling devm_gpio_request_one without checking return > value (as is done elsewhere 112 out of 113 times). > > 228 devm_gpio_request_one(dev, ep->reset_gpio, > 229 GPIOF_OUT_INIT_HIGH, "RESET"); > > > Maybe you can guarantee that it's safe to ignore the return value by > doing a lot of code analysis, but I think it would be better to check > like all the other callers do. +Cc Marek, Hi Bjorn, I think this is being removed by Marek's patchset: https://lore.kernel.org/linux-samsung-soc/20201023075744.26200-1-m.szyprowski@xxxxxxxxxxx/ Best regards, Krzysztof