Commit b645e57d authored by Maor Gottlieb's avatar Maor Gottlieb Committed by Saeed Mahameed
Browse files

net/mlx5: Fix possible deadlock on rule deletion 



Add missing call to up_write_ref_node() which releases the semaphore
in case the FTE doesn't have destinations, such in drop rule case.

Fixes: 465e7baa ("net/mlx5: Fix deletion of duplicate rules")
Signed-off-by: default avatarMaor Gottlieb <maorg@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent be7f4b0a

drivers/net/ethernet/mellanox/mlx5/core/fs_core.c

+2 −0
Original line number Diff line number Diff line
@@ -2074,6 +2074,8 @@ void mlx5_del_flow_rules(struct mlx5_flow_handle *handle) 
		fte->node.del_hw_func = NULL;

		up_write_ref_node(&fte->node, false);

		tree_put_node(&fte->node, false);

	} else {

		up_write_ref_node(&fte->node, false);

	}

	kfree(handle);

}