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-rw-r--r--net/core/rtnetlink.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 393b1bc9a618..048dc8d183aa 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -374,7 +374,7 @@ static size_t rtnl_link_get_slave_info_data_size(const struct net_device *dev)
if (!master_dev)
return 0;
ops = master_dev->rtnl_link_ops;
- if (!ops->get_slave_size)
+ if (!ops || !ops->get_slave_size)
return 0;
/* IFLA_INFO_SLAVE_DATA + nested data */
return nla_total_size(sizeof(struct nlattr)) +