summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/w1/w1.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index c7c64f18773d..0781217d2396 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -613,6 +613,9 @@ static int w1_bus_notify(struct notifier_block *nb, unsigned long action,
sl = dev_to_w1_slave(dev);
fops = sl->family->fops;
+ if (!fops)
+ return 0;
+
switch (action) {
case BUS_NOTIFY_ADD_DEVICE:
/* if the family driver needs to initialize something... */