diff options
| -rw-r--r-- | drivers/pci/controller/pcie-rcar.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index ee1c38c2fac9..04ff6c4baa70 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -1046,6 +1046,10 @@ static int rcar_pcie_inbound_ranges(struct rcar_pcie *pcie, mask &= ~0xf; while (cpu_addr < cpu_end) { + if (idx >= MAX_NR_INBOUND_MAPS - 1) { + dev_err(pcie->dev, "Failed to map inbound regions!\n"); + return -EINVAL; + } /* * Set up 64-bit inbound regions as the range parser doesn't * distinguish between 32 and 64-bit types. @@ -1065,11 +1069,6 @@ static int rcar_pcie_inbound_ranges(struct rcar_pcie *pcie, pci_addr += size; cpu_addr += size; idx += 2; - - if (idx > MAX_NR_INBOUND_MAPS) { - dev_err(pcie->dev, "Failed to map inbound regions!\n"); - return -EINVAL; - } } *index = idx; |