diff mbox series

PCI: rockchip: fix find_first_zero_bit() limit

Message ID 20220315065944.GB13572@kili (mailing list archive)
State Accepted
Delegated to: Lorenzo Pieralisi
Headers show
Series PCI: rockchip: fix find_first_zero_bit() limit | expand

Commit Message

Dan Carpenter March 15, 2022, 6:59 a.m. UTC 
The ep->ob_region_map bitmap is a long and it has BITS_PER_LONG bits.

Fixes: cf590b078391 ("PCI: rockchip: Add EP driver for Rockchip PCIe controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/pci/controller/pcie-rockchip-ep.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Lorenzo Pieralisi April 8, 2022, 1:43 p.m. UTC | #1 
On Tue, 15 Mar 2022 09:59:44 +0300, Dan Carpenter wrote:
> The ep->ob_region_map bitmap is a long and it has BITS_PER_LONG bits.
> 
> 

Applied to pci/rockchip, thanks!

[1/1] PCI: rockchip: fix find_first_zero_bit() limit
      https://git.kernel.org/lpieralisi/pci/c/096950e230

Thanks,
Lorenzo
diff mbox series

Patch

diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c
index 5fb9ce6e536e..d1a200b93b2b 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.