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- A single fix to altera_edac to use the proper objects when performing

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managed device operations instead of using temporary shallow struct
   copies which can cause dangling list pointers and havoc eventually
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Merge tag 'edac_urgent_for_v7.3_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

Pull EDAC fix from Borislav Petkov:

 - A single fix to altera_edac to use the proper objects when performing
   managed device operations instead of using temporary shallow struct
   copies which can cause dangling list pointers and havoc eventually

* tag 'edac_urgent_for_v7.3_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC/altera: Use parent device for devres in altr_portb_setup()
This commit is contained in:
Linus Torvalds 2026-09-12 17:32:14 -07:00
commit ff4b61e3b7
1 changed files with 5 additions and 5 deletions
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10
drivers/edac/altera_edac.c
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@ -1534,7 +1534,7 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
altdev = dci->pvt_info;
*altdev = *device;
if (!devres_open_group(&altdev->ddev, altr_portb_setup, GFP_KERNEL))
if (!devres_open_group(device->edac->dev, altr_portb_setup, GFP_KERNEL))
return -ENOMEM;
/* Update PortB specific values */
@ -1562,7 +1562,7 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
rc = -ENODEV;
goto err_release_group_1;
}
rc = devm_request_irq(&altdev->ddev, altdev->sb_irq,
rc = devm_request_irq(device->edac->dev, altdev->sb_irq,
prv->ecc_irq_handler, IRQF_TRIGGER_HIGH,
ecc_name, altdev);
if (rc) {
@ -1584,7 +1584,7 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
rc = -ENODEV;
goto err_release_group_1;
}
rc = devm_request_irq(&altdev->ddev, altdev->db_irq,
rc = devm_request_irq(device->edac->dev, altdev->db_irq,
prv->ecc_irq_handler, IRQF_TRIGGER_HIGH,
ecc_name, altdev);
if (rc) {
@ -1604,13 +1604,13 @@ static int altr_portb_setup(struct altr_edac_device_dev *device)
list_add(&altdev->next, &altdev->edac->a10_ecc_devices);
devres_remove_group(&altdev->ddev, altr_portb_setup);
devres_remove_group(device->edac->dev, altr_portb_setup);
return 0;
err_release_group_1:
edac_device_free_ctl_info(dci);
devres_release_group(&altdev->ddev, altr_portb_setup);
devres_release_group(device->edac->dev, altr_portb_setup);
edac_printk(KERN_ERR, EDAC_DEVICE,
"%s:Error setting up EDAC device: %d\n", ecc_name, rc);
return rc;