[PATCH v3] PCI/AER: Log error message if there are too many PCI devices with errors

From: Abhinav Jain
Date: Wed Jun 05 2024 - 19:10:25 EST


Added pci_err() to log PCI device information on which iteration fails.
Added pci_err() to log note if there are too many failed devices.

Signed-off-by: Abhinav Jain <jain.abhinav177@xxxxxxxxx>
---

PATCH v2:
https://lore.kernel.org/all/20240605212344.21808-1-jain.abhinav177@xxxxxxxxx/

Changes since v2:
- Switched to pci_err() to log failing PCI device
- Included the historical note below the "---" line
- Fixed other style changes in the patch
---
drivers/pci/pcie/aer.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 8b820a74dd6b..0bca83827ac1 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -882,11 +882,13 @@ static int find_device_iter(struct pci_dev *dev, void *data)
struct aer_err_info *e_info = (struct aer_err_info *)data;

if (is_error_source(dev, e_info)) {
+ /* Log error for the device */
+ pci_err(dev, "Error detected on device: %s\n", pci_name(dev));
+
/* List this device */
if (add_error_device(e_info, dev)) {
/* We cannot handle more... Stop iteration */
- pr_notice("%s: Cannot handle more devices - iteration stopped\n",
- __func__);
+ pci_err(dev, "Too many error devices encountered. Stopping iteration.\n");
return 1;
}

--
2.34.1