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Wed, 24 Jan 2018 05:24:56 +0000 From: Hemant Agrawal To: Nipun Gupta , "thomas@monjalon.net" CC: "dev@dpdk.org" , Shreyansh Jain , "stable@dpdk.org" Thread-Topic: [PATCH 1/7 v2] bus/dpaa: check flag in qman multi enqueue Thread-Index: AQHTlEWeWpeBFDz9a0O3w5lL+8NG0aOCfpJw Date: Wed, 24 Jan 2018 05:24:56 +0000 Message-ID: References: <1516710671-13897-1-git-send-email-nipun.gupta@nxp.com> <1516710427-22843-1-git-send-email-nipun.gupta@nxp.com> <1516710427-22843-2-git-send-email-nipun.gupta@nxp.com> In-Reply-To: <1516710427-22843-2-git-send-email-nipun.gupta@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=hemant.agrawal@nxp.com; x-originating-ip: [192.88.169.1] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; DB6PR0401MB2424; 6:YgjZ1aT7Dm6h6OCPY1f6HaOBCpUNMsObfc6xqLW0eY41K8VJWzSyDMDg8NlKQX2zCUYHEACZywgnHWquCrpZVuHFu0GuapiIooASnXi4xVx3UyeQifFi6mafsvkzAEAv4uSb31IaeB5QEMNDDfNGIdJkIBz1AlmsG5e5Uz+iZb6a6WXvtcWX7Q6ymFH8OiNCWo2ahEJHQgl4sz4CWMNwBlv7zEe8PTXxhmBL+rcLDVTVoPYrzexemoUoNBZxn2vwFyty0spk6pC36tcdcYTnXyi3b/E6UerbuwUl02PVHZGU3UKJc7RVJ+gbhpr4Q006tVxhLaD2DsPpmE2j9EJaDogckEafNH6Kbgo3ZSb+CF/XxAgbw8G4viEnzgmcmn7n; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f1d5213d-658d-4d82-72a6-08d562eace18 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Jan 2018 05:24:56.1589 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0401MB2424 Subject: Re: [dpdk-dev] [PATCH 1/7 v2] bus/dpaa: check flag in qman multi enqueue X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Jan 2018 05:24:58 -0000 > -----Original Message----- > From: Nipun Gupta [mailto:nipun.gupta@nxp.com] > A caller may/may not pass the flags in qman enqueue multi API. > This patch adds a check on that flag and only accesses it if passed by th= e > caller. >=20 > Fixes: 43797e7b4774 ("bus/dpaa: support event dequeue and > consumption") > Cc: stable@dpdk.org >=20 > Signed-off-by: Nipun Gupta > --- > drivers/bus/dpaa/base/qbman/qman.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/bus/dpaa/base/qbman/qman.c > b/drivers/bus/dpaa/base/qbman/qman.c > index 609bc76..e7fdf03 100644 > --- a/drivers/bus/dpaa/base/qbman/qman.c > +++ b/drivers/bus/dpaa/base/qbman/qman.c > @@ -2198,7 +2198,7 @@ int qman_enqueue_multi(struct qman_fq *fq, > eq->fd.addr =3D cpu_to_be40(fd->addr); > eq->fd.status =3D cpu_to_be32(fd->status); > eq->fd.opaque =3D cpu_to_be32(fd->opaque); > - if (flags[i] & QMAN_ENQUEUE_FLAG_DCA) { > + if (flags && (flags[i] & QMAN_ENQUEUE_FLAG_DCA)) { > eq->dca =3D QM_EQCR_DCA_ENABLE | > ((flags[i] >> 8) & QM_EQCR_DCA_IDXMASK); > } Series- Acked-by: Hemant Agrawal