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However, the "tbl_offset" is an unsigned int. This means that when the code does msg_addr &=3D ~aligned_offset; it will unintentionally zero out the high 32 bits. Declare "tbl_offset" as a u64 to address this bug. Fixes: 2217fffcd63f ("PCI: dwc: endpoint: Fix dw_pcie_ep_raise_msix_irq() a= lignment support") Signed-off-by: Dan Carpenter --- From static analysis (not tested). drivers/pci/controller/dwc/pcie-designware-ep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/= controller/dwc/pcie-designware-ep.c index 5befed2dc02b..2b6607c23541 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -525,7 +525,7 @@ int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8= func_no, struct dw_pcie_ep_func *ep_func; struct pci_epc *epc =3D ep->epc; u32 reg, msg_data, vec_ctrl; - unsigned int aligned_offset; + u64 aligned_offset; u32 tbl_offset; u64 msg_addr; int ret; --=20 2.43.0