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[linux-6.6.y] ata: ahci: Fix Zhaoxin SATA LED quirk pci_dev refcount handling #1704

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[linux-6.6.y] ata: ahci: Fix Zhaoxin SATA LED quirk pci_dev refcount handling #1704

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8 changes: 8 additions & 0 deletions drivers/ata/ahci.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1840,6 +1840,10 @@ static void ahci_zx_led_remove_quirk(struct pci_dev *pdev)
if (target_p0_dev && p1_mmio_tmp)
break;
}

if (sata_pdev)
pci_dev_put(sata_pdev);

if (target_p0_dev) {
sata_host = pci_get_drvdata(target_p0_dev);
Comment on lines +1844 to 1848
sata_hpriv = sata_host ? sata_host->private_data : NULL;
Expand All @@ -1865,6 +1869,8 @@ static void ahci_zx_led_init_quirk(struct pci_dev *pdev, struct ahci_host_priv *
if (err) /* MSR read failed */
return;

pr_info("ahci: zx led quirk init\n");

Comment on lines +1872 to +1873
hpriv->sx_index = 0xFF;
hpriv->px_index = 0xFF;
hpriv->p1_mmio = NULL;
Expand Down Expand Up @@ -1906,6 +1912,8 @@ static void ahci_zx_led_init_quirk(struct pci_dev *pdev, struct ahci_host_priv *
break;
}
}
if (sata_pdev)
pci_dev_put(sata_pdev);
}
#else
static inline void ahci_zx_led_remove_quirk(struct pci_dev *pdev) { }
Expand Down
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