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net/mlx5e: Fix null pointer access when setting MTU of vport representor
[sfrench/cifs-2.6.git]
/
drivers
/
net
/
ethernet
/
mellanox
/
mlx5
/
core
/
en_main.c
diff --git
a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index dae4156a710ddc60467999ab56c67b7ff31914db..c592678ab5f14b884c822ffef6e288abe66f5ba5 100644
(file)
--- a/
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@
-3712,7
+3712,8
@@
int mlx5e_change_mtu(struct net_device *netdev, int new_mtu,
if (!reset) {
params->sw_mtu = new_mtu;
- set_mtu_cb(priv);
+ if (set_mtu_cb)
+ set_mtu_cb(priv);
netdev->mtu = params->sw_mtu;
goto out;
}