From: Bernard Iremonger <bernard.iremonger@intel.com>
Date: Fri, 3 Jul 2015 14:03:59 +0000 (+0100)
Subject: i40e: check Rx queue parameter when resetting
X-Git-Tag: spdx-start~8689
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=1ee9e8228960d2625859e9092825b30dcb0808b2;p=dpdk.git

i40e: check Rx queue parameter when resetting

There is a segmentation fault if rxq is NULL.

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
---

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 2ced0812e2..be0d9a0bec 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2886,6 +2886,11 @@ i40e_reset_rx_queue(struct i40e_rx_queue *rxq)
 	unsigned i;
 	uint16_t len;
 
+	if (!rxq) {
+		PMD_DRV_LOG(DEBUG, "Pointer to rxq is NULL");
+		return;
+	}
+
 #ifdef RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC
 	if (check_rx_burst_bulk_alloc_preconditions(rxq) == 0)
 		len = (uint16_t)(rxq->nb_rx_desc + RTE_PMD_I40E_RX_MAX_BURST);