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McKenney" , Mahesh J Salgaonkar , Oliver O'Halloran , Kai-Heng Feng , Keith Busch , Robert Richter , Terry Bowman , Shiju Jose , Dave Jiang , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Bjorn Helgaas , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= Subject: [PATCH v7 01/17] PCI/DPC: Initialize aer_err_info before using it Date: Tue, 20 May 2025 16:50:18 -0500 Message-ID: <20250520215047.1350603-2-helgaas@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250520215047.1350603-1-helgaas@kernel.org> References: <20250520215047.1350603-1-helgaas@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Bjorn Helgaas 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. Signed-off-by: Bjorn Helgaas Tested-by: Krzysztof Wilczyński Reviewed-by: Kuppuswamy Sathyanarayanan --- 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 df42f15c9829..3daaf61c79c9 100644 --- a/drivers/pci/pcie/dpc.c +++ b/drivers/pci/pcie/dpc.c @@ -258,7 +258,7 @@ 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); -- 2.43.0