net/hns3: fix MSI-X interrupt during initialization

[dpdk.git] / drivers / net / hns3 / hns3_ethdev_vf.c

diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index e260890..904562e 100644 (file)
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -713,7 +713,8 @@ hns3vf_init_ring_with_vector(struct hns3_hw *hw)
         * Rx interrupt.
         */
        vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
-       hw->intr_tqps_num = vec - 1; /* the last interrupt is reserved */
+       /* vec - 1: the last interrupt is reserved */
+       hw->intr_tqps_num = vec > hw->tqps_num ? hw->tqps_num : vec - 1;
        for (i = 0; i < hw->intr_tqps_num; i++) {
                /*
                 * Set gap limiter and rate limiter configuration of queue's
@@ -1473,7 +1474,7 @@ hns3_query_vf_resource(struct hns3_hw *hw)
                return -EINVAL;
        }
 
-       hw->num_msi = (num_msi > hw->tqps_num + 1) ? hw->tqps_num + 1 : num_msi;
+       hw->num_msi = num_msi;
 
        return 0;
 }