From: Bjorn Helgaas <helgaas@kernel.org>
To: linux-pci@vger.kernel.org
Cc: "Jon Pan-Doh" <pandoh@google.com>,
"Karolina Stolarek" <karolina.stolarek@oracle.com>,
"Martin Petersen" <martin.petersen@oracle.com>,
"Ben Fuller" <ben.fuller@oracle.com>,
"Drew Walton" <drewwalton@microsoft.com>,
"Anil Agrawal" <anilagrawal@meta.com>,
"Tony Luck" <tony.luck@intel.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Sathyanarayanan Kuppuswamy"
<sathyanarayanan.kuppuswamy@linux.intel.com>,
"Lukas Wunner" <lukas@wunner.de>,
"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
"Sargun Dhillon" <sargun@meta.com>,
"Paul E . McKenney" <paulmck@kernel.org>,
"Mahesh J Salgaonkar" <mahesh@linux.ibm.com>,
"Oliver O'Halloran" <oohall@gmail.com>,
"Kai-Heng Feng" <kaihengf@nvidia.com>,
"Keith Busch" <kbusch@kernel.org>,
"Robert Richter" <rrichter@amd.com>,
"Terry Bowman" <terry.bowman@amd.com>,
"Shiju Jose" <shiju.jose@huawei.com>,
"Dave Jiang" <dave.jiang@intel.com>,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
"Bjorn Helgaas" <bhelgaas@google.com>
Subject: [PATCH v6 01/16] PCI/DPC: Initialize aer_err_info before using it
Date: Mon, 19 May 2025 16:35:43 -0500 [thread overview]
Message-ID: <20250519213603.1257897-2-helgaas@kernel.org> (raw)
In-Reply-To: <20250519213603.1257897-1-helgaas@kernel.org>
From: Bjorn Helgaas <bhelgaas@google.com>
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 zeroes.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
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..fe7719238456 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 = { 0 };
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
next prev parent reply other threads:[~2025-05-19 21:36 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-19 21:35 [PATCH v6 00/16] Rate limit AER logs Bjorn Helgaas
2025-05-19 21:35 ` Bjorn Helgaas [this message]
2025-05-19 22:41 ` [PATCH v6 01/16] PCI/DPC: Initialize aer_err_info before using it Sathyanarayanan Kuppuswamy
2025-05-20 13:53 ` Bjorn Helgaas
2025-05-20 9:39 ` Ilpo Järvinen
2025-05-20 13:54 ` Bjorn Helgaas
2025-05-19 21:35 ` [PATCH v6 02/16] PCI/DPC: Log Error Source ID only when valid Bjorn Helgaas
2025-05-19 23:15 ` Sathyanarayanan Kuppuswamy
2025-05-20 14:00 ` Bjorn Helgaas
2025-05-20 14:20 ` Ilpo Järvinen
2025-05-20 10:28 ` Ilpo Järvinen
2025-05-20 14:05 ` Bjorn Helgaas
2025-05-19 21:35 ` [PATCH v6 03/16] PCI/AER: Consolidate Error Source ID logging in aer_print_port_info() Bjorn Helgaas
2025-05-19 23:39 ` Sathyanarayanan Kuppuswamy
2025-05-20 14:21 ` Bjorn Helgaas
2025-05-20 10:31 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 04/16] PCI/AER: Extract bus/dev/fn in aer_print_port_info() with PCI_BUS_NUM(), etc Bjorn Helgaas
2025-05-19 23:47 ` Sathyanarayanan Kuppuswamy
2025-05-20 10:32 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 05/16] PCI/AER: Rename aer_print_port_info() to aer_print_source() Bjorn Helgaas
2025-05-19 23:48 ` Sathyanarayanan Kuppuswamy
2025-05-20 10:33 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 06/16] PCI/AER: Move aer_print_source() earlier in file Bjorn Helgaas
2025-05-19 23:49 ` Sathyanarayanan Kuppuswamy
2025-05-20 10:34 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 07/16] PCI/AER: Initialize aer_err_info before using it Bjorn Helgaas
2025-05-19 23:50 ` Sathyanarayanan Kuppuswamy
2025-05-20 10:39 ` Ilpo Järvinen
2025-05-20 14:27 ` Bjorn Helgaas
2025-05-19 21:35 ` [PATCH v6 08/16] PCI/AER: Simplify pci_print_aer() Bjorn Helgaas
2025-05-20 0:02 ` Sathyanarayanan Kuppuswamy
2025-05-20 14:38 ` Bjorn Helgaas
2025-05-20 10:42 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 09/16] PCI/AER: Update statistics early in logging Bjorn Helgaas
2025-05-20 1:32 ` Sathyanarayanan Kuppuswamy
2025-05-20 11:04 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 10/16] PCI/AER: Combine trace_aer_event() with statistics updates Bjorn Helgaas
2025-05-20 1:49 ` Sathyanarayanan Kuppuswamy
2025-05-20 11:08 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 11/16] PCI/AER: Check log level once and remember it Bjorn Helgaas
2025-05-19 23:17 ` Weinan Liu
2025-05-20 14:46 ` Bjorn Helgaas
2025-05-20 2:49 ` Sathyanarayanan Kuppuswamy
2025-05-20 11:26 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 12/16] PCI/AER: Make all pci_print_aer() log levels depend on error type Bjorn Helgaas
2025-05-20 3:23 ` Sathyanarayanan Kuppuswamy
2025-05-20 11:37 ` Ilpo Järvinen
2025-05-20 15:04 ` Bjorn Helgaas
2025-05-19 21:35 ` [PATCH v6 13/16] PCI/AER: Rename struct aer_stats to aer_report Bjorn Helgaas
2025-05-20 3:30 ` Sathyanarayanan Kuppuswamy
2025-05-20 21:25 ` Bjorn Helgaas
2025-05-20 11:38 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 14/16] PCI/AER: Introduce ratelimit for error logs Bjorn Helgaas
2025-05-20 4:59 ` Sathyanarayanan Kuppuswamy
2025-05-20 18:31 ` Bjorn Helgaas
2025-05-20 18:42 ` Sathyanarayanan Kuppuswamy
2025-05-20 11:55 ` Ilpo Järvinen
2025-05-20 19:38 ` Bjorn Helgaas
2025-05-21 9:57 ` Ilpo Järvinen
2025-05-19 21:35 ` [PATCH v6 15/16] PCI/AER: Add ratelimits to PCI AER Documentation Bjorn Helgaas
2025-05-20 5:01 ` Sathyanarayanan Kuppuswamy
2025-05-20 19:48 ` Bjorn Helgaas
2025-05-20 20:36 ` Sathyanarayanan Kuppuswamy
2025-05-19 21:35 ` [PATCH v6 16/16] PCI/AER: Add sysfs attributes for log ratelimits Bjorn Helgaas
2025-05-20 5:05 ` Sathyanarayanan Kuppuswamy
2025-05-20 12:02 ` Ilpo Järvinen
2025-05-20 16:31 ` Bjorn Helgaas
2025-05-20 9:05 ` [PATCH v6 00/16] Rate limit AER logs Krzysztof Wilczyński
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