Message ID | 20201209024555.14116-1-mani@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [RESEND] PCI: qcom: Fix using uninitialized smmu_sid_base variable | expand |
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 8ba3e6b29196..affa2713bf80 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -1297,6 +1297,9 @@ static int qcom_pcie_config_sid_sm8250(struct qcom_pcie *pcie) /* Registers need to be zero out first */ memset_io(bdf_to_sid_base, 0, CRC8_TABLE_SIZE * sizeof(u32)); + /* Extract the SMMU SID base from the first entry of iommu-map */ + smmu_sid_base = map[0].smmu_sid; + /* Look for an available entry to hold the mapping */ for (i = 0; i < nr_map; i++) { u16 bdf_be = cpu_to_be16(map[i].bdf);