mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-21 01:51:18 +00:00
Code Issues Releases Wiki Activity

PCI: rockchip: Fix find_first_zero_bit() limit

Browse source 
[ Upstream commit 096950e230 ]

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: cf590b0783 ("PCI: rockchip: Add EP driver for Rockchip PCIe controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2022-03-15 09:59:44 +03:00 committed by Greg Kroah-Hartman
parent d3c684749f
commit d41a739cc7
1 changed files with 1 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/pci/controller/pcie-rockchip-ep.c
View file

@ -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.