diff options
| author | Brett Creeley <brett.creeley@intel.com> | 2019-11-06 13:05:34 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-11-08 23:02:56 +0300 |
| commit | b791cdd5c78c74a165ee8da69d6c8ae683d17c38 (patch) | |
| tree | 54aa347bf468df3c51e332ba836d3aa6e6d45342 /drivers | |
| parent | ec4f5a436bdf0e5453ad15c4f34a59b9b675ff48 (diff) | |
| download | linux-b791cdd5c78c74a165ee8da69d6c8ae683d17c38.tar.xz | |
ice: Change max MSI-x vector_id check in cfg_irq_map
Currently we check to make sure the vector_id passed down from iavf
is less than or equal to pf->hw.func_caps.common_caps.num_msix_vectors.
This is incorrect because the vector_id is always 0-based and never
greater than or equal to the ICE_MAX_INTR_PER_VF. Fix this by checking
to make sure the vector_id is less than the max allowed interrupts per
VF (ICE_MAX_INTR_PER_VF).
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c index 639d1b2a9e19..2ac83ad3d1a6 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c @@ -2173,9 +2173,11 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg) vector_id = map->vector_id; vsi_id = map->vsi_id; - /* validate msg params */ - if (!(vector_id < pf->hw.func_caps.common_cap - .num_msix_vectors) || !ice_vc_isvalid_vsi_id(vf, vsi_id) || + /* vector_id is always 0-based for each VF, and can never be + * larger than or equal to the max allowed interrupts per VF + */ + if (!(vector_id < ICE_MAX_INTR_PER_VF) || + !ice_vc_isvalid_vsi_id(vf, vsi_id) || (!vector_id && (map->rxq_map || map->txq_map))) { v_ret = VIRTCHNL_STATUS_ERR_PARAM; goto error_param; |