[RFC PATCH 3/5] w1: report errors returned by w1_family_notify

[Antoine Tenart]

Signed-off-by: Antoine Tenart <antoine.tenart at free-electrons.com>
---
 drivers/w1/w1.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index bb34362e930a..80d0cc4e6e7f 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -702,7 +702,9 @@ static int __w1_attach_slave_device(struct w1_slave *sl)
 			dev_name(&sl->dev), err);
 		return err;
 	}
-	w1_family_notify(BUS_NOTIFY_ADD_DEVICE, sl);
+	err = w1_family_notify(BUS_NOTIFY_ADD_DEVICE, sl);
+	if (err)
+		return err;
 
 	dev_set_uevent_suppress(&sl->dev, false);
 	kobject_uevent(&sl->dev.kobj, KOBJ_ADD);
-- 
2.10.1