diff options
Diffstat (limited to 'drivers/dahdi/dahdi-sysfs.c')
| -rw-r--r-- | drivers/dahdi/dahdi-sysfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dahdi/dahdi-sysfs.c b/drivers/dahdi/dahdi-sysfs.c index c638104..3b9784d 100644 --- a/drivers/dahdi/dahdi-sysfs.c +++ b/drivers/dahdi/dahdi-sysfs.c @@ -250,6 +250,8 @@ static BUS_ATTR_READER(basechan_show, dev, buf) struct dahdi_span *span; span = dev_to_span(dev); + if (!span->channels) + return -ENODEV; return sprintf(buf, "%d\n", span->chans[0]->channo); } |