[PATCHv6 19/28] PCI: mobiveil: Fix the valid check for inbound and outbound window
From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Date: 2019-07-05 10:07:49
Also in:
linux-arm-kernel, linux-pci, lkml
Subsystem:
pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Linus Torvalds
Check window index from the parameter instead of the total
number of initialized windows to determine if the specified
window is valid.
Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Reviewed-by: Subrahmanya Lingappa <redacted>
---
V6:
- Splited from #9 of v5 patches, no functional change.
drivers/pci/controller/pcie-mobiveil.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
index ccf9bb1..76653d9 100644
--- a/drivers/pci/controller/pcie-mobiveil.c
+++ b/drivers/pci/controller/pcie-mobiveil.c@@ -458,7 +458,7 @@ static void program_ib_windows(struct mobiveil_pcie *pcie, int win_num, u32 value; u64 size64 = ~(size - 1); - if ((pcie->ib_wins_configured + 1) > pcie->ppio_wins) { + if (win_num >= pcie->ppio_wins) { dev_err(&pcie->pdev->dev, "ERROR: max inbound windows reached !\n"); return;
@@ -491,7 +491,7 @@ static void program_ob_windows(struct mobiveil_pcie *pcie, int win_num, { u64 size64 = ~(size - 1); - if ((pcie->ob_wins_configured + 1) > pcie->apio_wins) { + if (win_num >= pcie->apio_wins) { dev_err(&pcie->pdev->dev, "ERROR: max outbound windows reached !\n"); return;
--
1.7.1