[PATCH] ser_a2232.c bug removed: handles "IRQ request denied" case

[The AmigaLinux A2232 Driver Project]

This patch handles the case in which the request for the
vertical blank interrupt could not be granted. Thanks to
Nazia Zaman for spotting it.

Applies to latest 2.6.x kernels.


--- linux/drivers/char/ser_a2232.c.org  2007-08-30 15:41:25.000000000 +0100
+++ linux/drivers/char/ser_a2232.c      2007-08-30 15:46:17.000000000 +0100
@@ -787,7 +787,7 @@ static int __init a2232board_init(void)

        }

-       printk("Total: %d A2232 boards initialized.\n", nr_a2232); /* Some 
status report if no card was found */
+       printk("Total: %d A2232 boards detected.\n", nr_a2232); /* Some status 
report if no card was found */

        a2232_init_portstructs();

@@ -795,9 +795,13 @@ static int __init a2232board_init(void)
                a2232_init_drivers also registers the drivers. Must be here 
because all boards
                have to be detected first.
        */
-       if (a2232_init_drivers()) return -ENODEV; // maybe we should use a 
different -Exxx?
+       if (a2232_init_drivers())
+               return -ENODEV; // maybe we should use a different -Exxx?

-       request_irq(IRQ_AMIGA_VERTB, a2232_vbl_inter, 0, "A2232 serial VBL", 
a2232_driver_ID);
+       if (request_irq(IRQ_AMIGA_VERTB, a2232_vbl_inter, 0, "A2232 serial 
VBL", a2232_driver_ID))
+               return -ENODEV;
+
+       printk("A2232 driver initialized successfully.\n");
        return 0;
 }



Signed-off-by: Enver Haase <[EMAIL PROTECTED]>
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