From: Yunjian Wang <wangyunjian@huawei.com>
Date: Mon, 7 Dec 2020 11:37:15 +0000 (+0800)
Subject: net/mvneta: check allocation in Rx queue flush
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=565789662e7bc7608681cb93e3ccf7a4a2744f0b;p=dpdk.git

net/mvneta: check allocation in Rx queue flush

The function rte_malloc() could return NULL, the return value
need to be checked.

Fixes: ce7ea764597e ("net/mvneta: support Rx/Tx")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Acked-by: Liron Himi <lironh@marvell.com>
---

diff --git a/drivers/net/mvneta/mvneta_rxtx.c b/drivers/net/mvneta/mvneta_rxtx.c
index 10b6f57584..dfa7ecc090 100644
--- a/drivers/net/mvneta/mvneta_rxtx.c
+++ b/drivers/net/mvneta/mvneta_rxtx.c
@@ -872,7 +872,17 @@ mvneta_rx_queue_flush(struct mvneta_rxq *rxq)
 	int ret, i;
 
 	descs = rte_malloc("rxdesc", MRVL_NETA_RXD_MAX * sizeof(*descs), 0);
+	if (descs == NULL) {
+		MVNETA_LOG(ERR, "Failed to allocate descs.");
+		return;
+	}
+
 	bufs = rte_malloc("buffs", MRVL_NETA_RXD_MAX * sizeof(*bufs), 0);
+	if (bufs == NULL) {
+		MVNETA_LOG(ERR, "Failed to allocate bufs.");
+		rte_free(descs);
+		return;
+	}
 
 	do {
 		num = MRVL_NETA_RXD_MAX;