Merge bk://bk.arm.linux.org.uk/linux-2.6-serial

into home.osdl.org:/home/torvalds/v2.5/linux

Merge bk://bk.arm.linux.org.uk/linux-2.6-serial
into home.osdl.org:/home/torvalds/v2.5/linux
ffdbfd52 · Linus Torvalds · 8793a6c5 · 4d584500 · ffdbfd52
Commit ffdbfd52 authored Oct 08, 2003 by Linus Torvalds
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Showing with 5 additions and 2 deletions

drivers/serial/8250_acpi.c drivers/serial/8250_acpi.c +5 -2

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--- a/drivers/serial/8250_acpi.c
+++ b/drivers/serial/8250_acpi.c
@@ -38,8 +38,11 @@ static acpi_status acpi_serial_mmio(struct serial_struct *req,
 static acpi_status acpi_serial_port(struct serial_struct *req,
 				    struct acpi_resource_io *io)
 {
-	req->port = io->min_base_address;
+	if (io->range_length) {
-	req->io_type = SERIAL_IO_PORT;
+		req->port = io->min_base_address;
+		req->io_type = SERIAL_IO_PORT;
+	} else
+		printk(KERN_ERR "%s: zero-length IO port range?\n", __FUNCTION__);
 	return AE_OK;
 }