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-rw-r--r--drivers/ata/ahci.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 5064f3ea20f1..db4380d70031 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1146,11 +1146,18 @@ int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
return rc;
for (i = 0; i < host->n_ports; i++) {
+ const char* desc;
struct ahci_port_priv *pp = host->ports[i]->private_data;
+ /* pp is NULL for dummy ports */
+ if (pp)
+ desc = pp->irq_desc;
+ else
+ desc = dev_driver_string(host->dev);
+
rc = devm_request_threaded_irq(host->dev,
irq + i, ahci_hw_interrupt, ahci_thread_fn, IRQF_SHARED,
- pp->irq_desc, host->ports[i]);
+ desc, host->ports[i]);
if (rc)
goto out_free_irqs;
}