3.16.61-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: YueHaibing <yuehaibing@xxxxxxxxxx>
commit 64119e05f7b31e83e2555f6782e6cdc8f81c63f4 upstream.
Add a missing rcu_read_unlock in the error path
Fixes: c95567c80352 ("caif: added check for potential null return")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
net/caif/caif_dev.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -131,8 +131,10 @@ static void caif_flow_cb(struct sk_buff
caifd = caif_get(skb->dev);
WARN_ON(caifd == NULL);
- if (caifd == NULL)
+ if (!caifd) {
+ rcu_read_unlock();
return;
+ }
caifd_hold(caifd);
rcu_read_unlock();
