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Thu, 1 Sep 2022 08:36:16 +0000 From: Liron Himi To: Amit Prakash Shukla , Zyta Szpak CC: "dev@dpdk.org" , Jerin Jacob Kollanukkaran , "stable@dpdk.org" , Amit Prakash Shukla , Liron Himi Subject: RE: [PATCH] net/mvneta: compilation fix for GCC-12 Thread-Topic: [PATCH] net/mvneta: compilation fix for GCC-12 Thread-Index: AQHYvd08UilcWdGTE0uDUwu6u4S+pa3KP6KQ Date: Thu, 1 Sep 2022 08:36:15 +0000 Message-ID: References: <20220901083118.3074981-1-amitprakashs@marvell.com> In-Reply-To: <20220901083118.3074981-1-amitprakashs@marvell.com> Accept-Language: he-IL, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c0bff503-26e0-4a9a-0a3b-08da8bf508f0 x-ms-traffictypediagnostic: BL1PR18MB4293:EE_ x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: marvell.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR18MB4473.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c0bff503-26e0-4a9a-0a3b-08da8bf508f0 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Sep 2022 08:36:15.8918 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: VRJYuSm8pIgYSE5fDjZVDqHliCPVgqv1Q8LRztc21glYpAF29b7/6c8PltEuNDpRKlDFNXiAT9pCyWZse5MH8A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR18MB4293 X-Proofpoint-ORIG-GUID: 7Di4VjlVezM2ntjBoL65du88D9WTZWOp X-Proofpoint-GUID: 7Di4VjlVezM2ntjBoL65du88D9WTZWOp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-09-01_06,2022-08-31_03,2022-06-22_01 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Acked-by: Liron Himi -----Original Message----- From: Amit Prakash Shukla =20 Sent: Thursday, 1 September 2022 11:31 To: Zyta Szpak ; Liron Himi Cc: dev@dpdk.org; Jerin Jacob Kollanukkaran ; stable@dp= dk.org; Amit Prakash Shukla Subject: [PATCH] net/mvneta: compilation fix for GCC-12 ./drivers/net/mvneta/mvneta_rxtx.c:89:42: error: 'mbufs' may be used uninitialized [-Werror=3Dmaybe-uninitialized] 89 | MVNETA_SET_COOKIE_HIGH_ADDR(mbufs[0]); | ^ ../drivers/net/mvneta/mvneta_rxtx.c:77:26: note: 'mbufs' declared here 77 | struct rte_mbuf *mbufs[MRVL_NETA_BUF_RELEASE_BURST_SIZE_MAX]; | ^~~~~ Fixes: ce7ea764597e ("net/mvneta: support Rx/Tx") Cc: stable@dpdk.org Signed-off-by: Amit Prakash Shukla --- drivers/net/mvneta/mvneta_rxtx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/mvneta/mvneta_rxtx.c b/drivers/net/mvneta/mvneta_r= xtx.c index 6e4a7896b4..952e982275 100644 --- a/drivers/net/mvneta/mvneta_rxtx.c +++ b/drivers/net/mvneta/mvneta_rxtx.c @@ -79,6 +79,10 @@ mvneta_buffs_refill(struct mvneta_priv *priv, struct mvn= eta_rxq *rxq, u16 *num) int i, ret; uint16_t nb_desc =3D *num; =20 + /* To prevent GCC-12 warning. */ + if (unlikely(nb_desc =3D=3D 0)) + return -1; + ret =3D rte_pktmbuf_alloc_bulk(rxq->mp, mbufs, nb_desc); if (ret) { MVNETA_LOG(ERR, "Failed to allocate %u mbufs.", nb_desc); --=20 2.25.1