viafb: use proper pci config API

This patch alters viafb to use the proper Linux in-kernel API to access
PCI configuration space, rather than poking at I/O ports by itself.

Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Signed-off-by: Harald Welte <HaraldWelte@viatech.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index b7018ef6977..8af405bf077 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -1782,6 +1782,10 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
         viafb_init_chip_info(pdev, ent);
         viaparinfo->fbmem = pci_resource_start(pdev, 0);
         viaparinfo->memsize = viafb_get_fb_size_from_pci();
+        if (viaparinfo->memsize < 0) {
+                rc = viaparinfo->memsize;
+                goto out_delete_i2c;
+        }
         viaparinfo->fbmem_free = viaparinfo->memsize;
         viaparinfo->fbmem_used = 0;
         viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,