diff options
Diffstat (limited to 'drivers/s390/cio/chp.c')
| -rw-r--r-- | drivers/s390/cio/chp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c index 50597f9522fe..d3b72eab2b8f 100644 --- a/drivers/s390/cio/chp.c +++ b/drivers/s390/cio/chp.c @@ -428,11 +428,14 @@ int chp_update_desc(struct channel_path *chp) if (rc) return rc; - rc = chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1); - if (rc) - return rc; + /* + * Fetching the following data is optional. Not all machines or + * hypervisors implement the required chsc commands. + */ + chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1); + chsc_get_channel_measurement_chars(chp); - return chsc_get_channel_measurement_chars(chp); + return 0; } /** |