Messages in this thread Patch in this message | | | Date | Thu, 30 Aug 2007 16:13:55 +0100 (BST) | From | The AmigaLinux A2232 Driver Project <> | Subject | [PATCH] ser_a2232.c bug removed: handles "IRQ request denied" case |
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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 <a2232@gmx.net> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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