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Subject[PATCH] net: ethernet/mellanox: fix dereference before null check
Date
net: ethernet/mellanox: fix dereference before null check
macsec dereferenced before null check
bug identified by coverity's linux-next weekly scan
Coverity CID No: 1525317

Signed-off-by: Praghadeesh T K S <praghadeeshthevendria@gmail.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
index 5da746d..e822c2a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
@@ -1846,11 +1846,11 @@ int mlx5e_macsec_init(struct mlx5e_priv *priv)
void mlx5e_macsec_cleanup(struct mlx5e_priv *priv)
{
struct mlx5e_macsec *macsec = priv->macsec;
- struct mlx5_core_dev *mdev = macsec->mdev;

if (!macsec)
return;

+ struct mlx5_core_dev *mdev = macsec->mdev;
mlx5_notifier_unregister(mdev, &macsec->nb);

mlx5e_macsec_fs_cleanup(macsec->macsec_fs);
--
2.25.1
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