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From: Liron Himi <lironh@marvell.com>
To: wangyunjian <wangyunjian@huawei.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "zr@semihalf.com" <zr@semihalf.com>,
	"jerry.lilijun@huawei.com" <jerry.lilijun@huawei.com>,
	"xudingke@huawei.com" <xudingke@huawei.com>,
	"stable@dpdk.org" <stable@dpdk.org>,
	Liron Himi <lironh@marvell.com>
Subject: Re: [dpdk-stable] [EXT] [dpdk-dev] [PATCH] net/mvneta: check allocation in rx queue flush
Date: Mon, 7 Dec 2020 12:37:56 +0000
Message-ID: <DM5PR18MB2214E2C85EF0028FEB62BB1DC6CE0@DM5PR18MB2214.namprd18.prod.outlook.com> (raw)
In-Reply-To: <1607341035-9372-1-git-send-email-wangyunjian@huawei.com>

Hi,

How about use 2 local arrays for descs & bufs instead of the malloc/free? 

Liron


-----Original Message-----
From: wangyunjian <wangyunjian@huawei.com> 
Sent: Monday, 7 December 2020 13:37
To: dev@dpdk.org
Cc: Liron Himi <lironh@marvell.com>; zr@semihalf.com; jerry.lilijun@huawei.com; xudingke@huawei.com; Yunjian Wang <wangyunjian@huawei.com>; stable@dpdk.org
Subject: [EXT] [dpdk-dev] [PATCH] net/mvneta: check allocation in rx queue flush

External Email

----------------------------------------------------------------------
From: Yunjian Wang <wangyunjian@huawei.com>

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>
---
 drivers/net/mvneta/mvneta_rxtx.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

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;
--
2.23.0


  reply	other threads:[~2020-12-07 12:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-07 11:37 [dpdk-stable] " wangyunjian
2020-12-07 12:37 ` Liron Himi [this message]
2020-12-07 13:07   ` [dpdk-stable] [EXT] " wangyunjian
2020-12-15 22:29     ` Liron Himi
2021-01-12 14:21 ` [dpdk-stable] " Jerin Jacob

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