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-rw-r--r--drivers/pci/pcie/pcie-dpc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c
index 7e02d335b5ef..fede1d4bc7b9 100644
--- a/drivers/pci/pcie/pcie-dpc.c
+++ b/drivers/pci/pcie/pcie-dpc.c
@@ -212,11 +212,12 @@ static void dpc_rp_pio_get_info(struct dpc_dev *dpc,
&rp_pio->header_log.dw2);
pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_HEADER_LOG + 12,
&rp_pio->header_log.dw3);
- if (dpc->rp_log_size == 4)
- return;
+ if (dpc->rp_log_size < 5)
+ return;
pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_IMPSPEC_LOG,
&rp_pio->impspec_log);
+
for (i = 0; i < dpc->rp_log_size - 5; i++)
pci_read_config_dword(pdev,
cap + PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG,