5.15-stable review patch. If anyone has any objections, please let me know.
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From: Bjorn Helgaas bhelgaas@google.com
[ Upstream commit a424b598e6a6c1e69a2bb801d6fd16e805ab2c38 ]
Previously the struct aer_err_info "info" was allocated on the stack without being initialized, so it contained junk except for the fields we explicitly set later.
Initialize "info" at declaration so it starts as all zeros.
Fixes: 8aefa9b0d910 ("PCI/DPC: Print AER status in DPC event handling") Signed-off-by: Bjorn Helgaas bhelgaas@google.com Tested-by: Krzysztof Wilczyński kwilczynski@kernel.org Reviewed-by: Kuppuswamy Sathyanarayanan sathyanarayanan.kuppuswamy@linux.intel.com Reviewed-by: Ilpo Järvinen ilpo.jarvinen@linux.intel.com Reviewed-by: Jonathan Cameron Jonathan.Cameron@huawei.com Link: https://patch.msgid.link/20250522232339.1525671-2-helgaas@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pci/pcie/dpc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c index ab83f78f3eb1d..cabbaacdb6e61 100644 --- a/drivers/pci/pcie/dpc.c +++ b/drivers/pci/pcie/dpc.c @@ -263,7 +263,7 @@ static int dpc_get_aer_uncorrect_severity(struct pci_dev *dev, void dpc_process_error(struct pci_dev *pdev) { u16 cap = pdev->dpc_cap, status, source, reason, ext_reason; - struct aer_err_info info; + struct aer_err_info info = {};
pci_read_config_word(pdev, cap + PCI_EXP_DPC_STATUS, &status); pci_read_config_word(pdev, cap + PCI_EXP_DPC_SOURCE_ID, &source);