Subject: Re: linux-next: acpi tree build failure

From: Bjorn Helgaas <[email-masked]>
Date: Mon, 14 Dec 2009 21:57:34 -0700

On Mon, 2009-12-14 at 12:20 +1100, Stephen Rothwell wrote:
> Today's linux-next build (x86_64 allmodconfig) failed like this:
> 
> ERROR: "pnpacpi_protocol" [drivers/char/ipmi/ipmi_si.ko] undefined!
> 
> Caused by commit e80b594fd69039387339e75b4f75c58da74676ae ("PNP: add
> interface to retrieve ACPI device from a PNPACPI device").

Here's the fix:

commit 28b07e816ecc25567c8ff25e5a0c52f57e55b91f
Author: Bjorn Helgaas <[email-masked]>
Date:   Mon Dec 14 21:41:17 2009 -0700

    PNP: export pnpacpi_protocol (for pnp_acpi_device() test)
    
    In e80b594f, I added an exported interface, pnp_acpi_device(), but
    I neglected to export the underlying pnpacpi_protocol symbol.
    
    Signed-off-by: Bjorn Helgaas <[email-masked]>

diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 8dd0f37..5314bf6 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -154,6 +154,7 @@ struct pnp_protocol pnpacpi_protocol = {
 	.resume = pnpacpi_resume,
 #endif
 };
+EXPORT_SYMBOL(pnpacpi_protocol);
 
 static int __init pnpacpi_add_device(struct acpi_device *device)
 {