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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-03-15 09:59:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-14 19:11:39 +0300 |
| commit | 9cccb3f6ed9a18ee0a5ebc96014fdda1cf284092 (patch) | |
| tree | 3a412c7877ee73776f252135c5e4440c8cb1e554 /drivers | |
| parent | f063429ac33fd6c3938fc92efc0c07a9ea7740d7 (diff) | |
| download | linux-9cccb3f6ed9a18ee0a5ebc96014fdda1cf284092.tar.xz | |
PCI: rockchip: Fix find_first_zero_bit() limit
[ Upstream commit 096950e230b8d83645c7cf408b9f399f58c08b96 ]
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 <dan.carpenter@oracle.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/controller/pcie-rockchip-ep.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index d743b0a48988..b82edefffd15 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -263,8 +263,7 @@ static int rockchip_pcie_ep_map_addr(struct pci_epc *epc, u8 fn, 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. |