diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/mid_bios.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/mid_bios.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/mid_bios.c b/drivers/gpu/drm/gma500/mid_bios.c index 7e76790c6a81..0326f3ddc621 100644 --- a/drivers/gpu/drm/gma500/mid_bios.c +++ b/drivers/gpu/drm/gma500/mid_bios.c @@ -12,6 +12,7 @@ */ #include <drm/drm.h> +#include <drm/drm_print.h> #include "mid_bios.h" #include "psb_drv.h" @@ -279,6 +280,11 @@ 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); |