From: Lukasz Czapnik lukasz.czapnik@intel.com
Fix condition to check 'greater or equal' to prevent OOB dereference.
Fixes: e284fc280473 ("i40e: Add and delete cloud filter") Cc: stable@vger.kernel.org Signed-off-by: Lukasz Czapnik lukasz.czapnik@intel.com Reviewed-by: Aleksandr Loktionov aleksandr.loktionov@intel.com Signed-off-by: Przemek Kitszel przemyslaw.kitszel@intel.com Reviewed-by: Simon Horman horms@kernel.org Tested-by: Rafal Romanowski rafal.romanowski@intel.com Signed-off-by: Tony Nguyen anthony.l.nguyen@intel.com --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index b6db4d78c02d..c85715f75435 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -3603,7 +3603,7 @@ static int i40e_validate_cloud_filter(struct i40e_vf *vf,
/* action_meta is TC number here to which the filter is applied */ if (!tc_filter->action_meta || - tc_filter->action_meta > vf->num_tc) { + tc_filter->action_meta >= vf->num_tc) { dev_info(&pf->pdev->dev, "VF %d: Invalid TC number %u\n", vf->vf_id, tc_filter->action_meta); goto err;