[PATCH] net/mlx5: Fix dangling pointer access

From: Ameer Hamza
Date: Thu Dec 02 2021 - 17:15:52 EST


Fix for dangling pointer access reported by Coverity.

Addresses-Coverity: 1494138 ("Use after free")

Signed-off-by: Ameer Hamza <amhamza.mgc@xxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/health.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index 3ca998874c50..856023321972 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -335,7 +335,7 @@ static int mlx5_health_try_recover(struct mlx5_core_dev *dev)
{
mlx5_core_warn(dev, "handling bad device here\n");
mlx5_handle_bad_state(dev);
- if (mlx5_health_wait_pci_up(dev)) {
+ if (dev->timeouts && mlx5_health_wait_pci_up(dev)) {
mlx5_core_err(dev, "health recovery flow aborted, PCI reads still not working\n");
return -EIO;
}
--
2.25.1