From: Bharat Gooty bharat.gooty@broadcom.com
stable inclusion from linux-4.19.164 commit 06773ce45d65c74c0aebdd766fbc3a916546d4ba
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[ Upstream commit a3ff529f5d368a17ff35ada8009e101162ebeaf9 ]
Declare the full size array for all revisions of PAX register sets to avoid potentially out of bound access of the register array when they are being initialized in iproc_pcie_rev_init().
Link: https://lore.kernel.org/r/20201001060054.6616-2-srinath.mannam@broadcom.com Fixes: 06324ede76cdf ("PCI: iproc: Improve core register population") Signed-off-by: Bharat Gooty bharat.gooty@broadcom.com Signed-off-by: Lorenzo Pieralisi lorenzo.pieralisi@arm.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com Signed-off-by: Cheng Jian cj.chengjian@huawei.com --- drivers/pci/controller/pcie-iproc.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c index 3160e9342a2f..9191fdd8ce0c 100644 --- a/drivers/pci/controller/pcie-iproc.c +++ b/drivers/pci/controller/pcie-iproc.c @@ -300,7 +300,7 @@ enum iproc_pcie_reg { };
/* iProc PCIe PAXB BCMA registers */ -static const u16 iproc_pcie_reg_paxb_bcma[] = { +static const u16 iproc_pcie_reg_paxb_bcma[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_CLK_CTRL] = 0x000, [IPROC_PCIE_CFG_IND_ADDR] = 0x120, [IPROC_PCIE_CFG_IND_DATA] = 0x124, @@ -311,7 +311,7 @@ static const u16 iproc_pcie_reg_paxb_bcma[] = { };
/* iProc PCIe PAXB registers */ -static const u16 iproc_pcie_reg_paxb[] = { +static const u16 iproc_pcie_reg_paxb[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_CLK_CTRL] = 0x000, [IPROC_PCIE_CFG_IND_ADDR] = 0x120, [IPROC_PCIE_CFG_IND_DATA] = 0x124, @@ -327,7 +327,7 @@ static const u16 iproc_pcie_reg_paxb[] = { };
/* iProc PCIe PAXB v2 registers */ -static const u16 iproc_pcie_reg_paxb_v2[] = { +static const u16 iproc_pcie_reg_paxb_v2[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_CLK_CTRL] = 0x000, [IPROC_PCIE_CFG_IND_ADDR] = 0x120, [IPROC_PCIE_CFG_IND_DATA] = 0x124, @@ -355,7 +355,7 @@ static const u16 iproc_pcie_reg_paxb_v2[] = { };
/* iProc PCIe PAXC v1 registers */ -static const u16 iproc_pcie_reg_paxc[] = { +static const u16 iproc_pcie_reg_paxc[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_CLK_CTRL] = 0x000, [IPROC_PCIE_CFG_IND_ADDR] = 0x1f0, [IPROC_PCIE_CFG_IND_DATA] = 0x1f4, @@ -364,7 +364,7 @@ static const u16 iproc_pcie_reg_paxc[] = { };
/* iProc PCIe PAXC v2 registers */ -static const u16 iproc_pcie_reg_paxc_v2[] = { +static const u16 iproc_pcie_reg_paxc_v2[IPROC_PCIE_MAX_NUM_REG] = { [IPROC_PCIE_MSI_GIC_MODE] = 0x050, [IPROC_PCIE_MSI_BASE_ADDR] = 0x074, [IPROC_PCIE_MSI_WINDOW_SIZE] = 0x078,