From: Dave Jones <davej@redhat.com>
Date: Fri, 4 Nov 2005 23:32:08 +0000 (-0800)
Subject: [AGPGART] Fix up sgi-agp bug with no devices on bus.
X-Git-Tag: v2.6.15-rc1~445^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=146a209967886e57eb34b4cdb85ca52078a4f8cc;p=pandora-kernel.git

[AGPGART] Fix up sgi-agp bug with no devices on bus.

Signed-off-by: Eric Kunze <ekunze@sgi.com>
Signed-off-by: Dave Jones <davej@redhat.com>
---

diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index d3aa159c9dec..53eeb293d174 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -288,6 +288,8 @@ static int __devinit agp_sgi_init(void)
 	j = 0;
 	list_for_each_entry(info, &tioca_list, ca_list) {
 		struct list_head *tmp;
+		if (list_empty(info->ca_devices))
+			continue;
 		list_for_each(tmp, info->ca_devices) {
 			u8 cap_ptr;
 			pdev = pci_dev_b(tmp);