Messages in this thread Patch in this message | | | From | Bjorn Helgaas <> | Subject | [PATCH] ACPI serial fix | Date | Wed, 8 Oct 2003 12:41:41 -0600 |
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Here's another little fix for ACPI serial discovery in 2.6.
Intel 870 firmware reports an extra zero-length IO port range, which is bogus, as far as I can tell. Ignore it.
===== drivers/serial/8250_acpi.c 1.4 vs edited ===== --- 1.4/drivers/serial/8250_acpi.c Mon Oct 6 15:57:02 2003 +++ edited/drivers/serial/8250_acpi.c Wed Oct 8 12:36:31 2003 @@ -38,6 +38,11 @@ static acpi_status acpi_serial_port(struct serial_struct *req, struct acpi_resource_io *io) { + if (!io->range_length) { + printk(KERN_ERR "%s: zero-length IO port range?\n", __FUNCTION__); + return AE_ERROR; + } + req->port = io->min_base_address; req->io_type = SERIAL_IO_PORT; return AE_OK; - 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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