From: Dan Carpenter Date: Tue, 15 Mar 2022 06:59:44 +0000 (+0300) Subject: PCI: rockchip: Fix find_first_zero_bit() limit X-Git-Tag: v6.6.17~7418^2~2^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=096950e230b8d83645c7cf408b9f399f58c08b96;p=platform%2Fkernel%2Flinux-rpi.git PCI: rockchip: Fix find_first_zero_bit() limit The ep->ob_region_map bitmap is a long and it has BITS_PER_LONG bits. Link: https://lore.kernel.org/r/20220315065944.GB13572@kili Fixes: cf590b078391 ("PCI: rockchip: Add EP driver for Rockchip PCIe controller") Signed-off-by: Dan Carpenter Signed-off-by: Lorenzo Pieralisi --- diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index 5fb9ce6..d1a200b 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -264,8 +264,7 @@ static int rockchip_pcie_ep_map_addr(struct pci_epc *epc, u8 fn, u8 vfn, struct rockchip_pcie *pcie = &ep->rockchip; u32 r; - r = find_first_zero_bit(&ep->ob_region_map, - sizeof(ep->ob_region_map) * BITS_PER_LONG); + r = find_first_zero_bit(&ep->ob_region_map, BITS_PER_LONG); /* * Region 0 is reserved for configuration space and shouldn't * be used elsewhere per TRM, so leave it out.