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-rw-r--r--drivers/serial/dz.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index e1a2e413eb7..fb6f2730293 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -794,18 +794,28 @@ static int __init dz_init(void)
dz_reset(&dz_ports[0]);
#endif
- if (request_irq(dz_ports[0].port.irq, dz_interrupt,
- IRQF_DISABLED, "DZ", &dz_ports[0]))
- panic("Unable to register DZ interrupt");
-
ret = uart_register_driver(&dz_reg);
if (ret != 0)
- return ret;
+ goto out;
+
+ ret = request_irq(dz_ports[0].port.irq, dz_interrupt, IRQF_DISABLED,
+ "DZ", &dz_ports[0]);
+ if (ret != 0) {
+ printk(KERN_ERR "dz: Cannot get IRQ %d!\n",
+ dz_ports[0].port.irq);
+ goto out_unregister;
+ }
for (i = 0; i < DZ_NB_PORT; i++)
uart_add_one_port(&dz_reg, &dz_ports[i].port);
return ret;
+
+out_unregister:
+ uart_unregister_driver(&dz_reg);
+
+out:
+ return ret;
}
module_init(dz_init);