diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/mid_bios.c')
-rw-r--r-- | drivers/gpu/drm/gma500/mid_bios.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/mid_bios.c b/drivers/gpu/drm/gma500/mid_bios.c index 7e76790c6a81..cba97d7db131 100644 --- a/drivers/gpu/drm/gma500/mid_bios.c +++ b/drivers/gpu/drm/gma500/mid_bios.c @@ -279,6 +279,11 @@ static void mid_get_vbt_data(struct drm_psb_private *dev_priv) 0, PCI_DEVFN(2, 0)); int ret = -1; + if (pci_gfx_root == NULL) { + WARN_ON(1); + return; + } + /* Get the address of the platform config vbt */ pci_read_config_dword(pci_gfx_root, 0xFC, &addr); pci_dev_put(pci_gfx_root); |