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commit b5d1b4b46f856da1473c7ba9a5cdfcb55c9b2478 upstream.
The "msg_addr" variable is u64. However, the "aligned_offset" is an
unsigned int. This means that when the code does:
msg_addr &= ~aligned_offset;
it will unintentionally zero out the high 32 bits. Use ALIGN_DOWN() to do
the alignment instead.
Fixes: 2217fffcd63f ("PCI: dwc: endpoint: Fix dw_pcie_ep_raise_msix_irq() alignment support")
Link: https://lore.kernel.org/r/af59c7ad-ab93-40f7-ad4a-7ac0b14d37f5@moroto.mountain
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cf5a69e355