net: add missing dev_put() in __netdev_adjacent_dev_insert

I think that a dev_put() is needed in the error path to preserve the
proper dev refcount.

CC: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Acked-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 0918aadc20fd..bdffd654edc4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4648,6 +4648,7 @@ remove_symlinks:
 
 free_adj:
 	kfree(adj);
+	dev_put(adj_dev);
 
 	return ret;
 }