diff options
Diffstat (limited to 'drivers/media/video/via-camera.c')
| -rw-r--r-- | drivers/media/video/via-camera.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/video/via-camera.c b/drivers/media/video/via-camera.c index 85d3048..bb7f17f 100644 --- a/drivers/media/video/via-camera.c +++ b/drivers/media/video/via-camera.c @@ -1332,6 +1332,8 @@ static __devinit bool viacam_serial_is_enabled(void) struct pci_bus *pbus = pci_find_bus(0, 0); u8 cbyte; + if (!pbus) + return false; pci_bus_read_config_byte(pbus, VIACAM_SERIAL_DEVFN, VIACAM_SERIAL_CREG, &cbyte); if ((cbyte & VIACAM_SERIAL_BIT) == 0) |
