diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 0e0d086bb27..c764f360a77 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -2020,17 +2020,26 @@ static void pvr2_hdw_load_subdev(struct pvr2_hdw *hdw, i2caddr); } + if (!sd) { + pvr2_trace(PVR2_TRACE_ERROR_LEGS, + "Module ID %u for device %s failed to load" + " (this is probably a bad thing...)", + mid, hdw->hdw_desc->description); + return; + } + + /* Tag this sub-device instance with the module ID we know about. + In other places we'll use that tag to determine if the instance + requires special handling. */ + sd->grp_id = mid; + /* If we have both old and new i2c layers enabled, make sure that old layer isn't also tracking this module. This is a debugging aid, in normal situations there's no reason for both mechanisms to be enabled. */ pvr2_i2c_untrack_subdev(hdw, sd); + pvr2_trace(PVR2_TRACE_INIT, "Attached sub-driver %s", fname); - // ????? - /* Based on module ID, we should remember subdev pointers - so that we can send certain custom commands where - needed. */ - // ????? } |