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-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 6a677fd540d6..a1b464a91d93 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -442,6 +442,16 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf,
u32 next_q_idx, next_q_type;
u32 msix_vf, size;
+ msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
+
+ if (qvlist_info->num_vectors > msix_vf) {
+ dev_warn(&pf->pdev->dev,
+ "Incorrect number of iwarp vectors %u. Maximum %u allowed.\n",
+ qvlist_info->num_vectors,
+ msix_vf);
+ goto err;
+ }
+
size = sizeof(struct virtchnl_iwarp_qvlist_info) +
(sizeof(struct virtchnl_iwarp_qv_info) *
(qvlist_info->num_vectors - 1));