diff options
| -rw-r--r-- | src/dkp-csr.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/dkp-csr.c b/src/dkp-csr.c index 374fc21..c08f687 100644 --- a/src/dkp-csr.c +++ b/src/dkp-csr.c @@ -163,6 +163,13 @@ dkp_csr_coldplug (DkpDevice *device) csr->priv->bus_num = sysfs_get_int (obj->native_path, "busnum"); csr->priv->dev_num = sysfs_get_int (obj->native_path, "devnum"); + /* get correct bus numbers? */ + if (csr->priv->bus_num == 0 || csr->priv->dev_num == 0) { + dkp_warning ("unable to get bus or device numbers"); + ret = FALSE; + goto out; + } + /* get optional quirk parameters */ ret = devkit_device_has_property (d, "ID_CSR_HAS_SMS"); if (ret) @@ -217,6 +224,11 @@ dkp_csr_refresh (DkpDevice *device) /* Which of subdevices to address */ addr = csr->priv->is_dual ? 1<<8 : 0; + if (csr->priv->device == NULL) { + dkp_warning ("no device!"); + return FALSE; + } + /* open USB device */ handle = usb_open (csr->priv->device); if (handle == NULL) { |