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From: wangyunjian <wangyunjian@huawei.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
	"sachin.saxena@nxp.com" <sachin.saxena@nxp.com>
Cc: "Lilijun (Jerry)" <jerry.lilijun@huawei.com>,
	xudingke <xudingke@huawei.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH] bus/dpaa: fix fd check before close
Date: Tue, 15 Sep 2020 12:03:58 +0000
Message-ID: <34EFBCA9F01B0748BEB6B629CE643AE60DA4BCF4@DGGEMM533-MBX.china.huawei.com> (raw)
In-Reply-To: <9b739041-3cf7-9e5c-5d71-0f09f0e2ff77@intel.com>



> -----Original Message-----
> From: Ferruh Yigit [mailto:ferruh.yigit@intel.com]
> Sent: Tuesday, September 15, 2020 1:24 AM
> To: wangyunjian <wangyunjian@huawei.com>; dev@dpdk.org;
> hemant.agrawal@nxp.com; sachin.saxena@nxp.com
> Cc: Lilijun (Jerry) <jerry.lilijun@huawei.com>; xudingke
> <xudingke@huawei.com>; stable@dpdk.org
> Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] bus/dpaa: fix fd check before
> close
> 
> On 8/26/2020 12:54 PM, wangyunjian wrote:
> > From: Yunjian Wang <wangyunjian@huawei.com>
> >
> > The fd is possibly a negative value while it is passed as an argument
> > to function "close". Fix the check to the fd.
> >
> > Fixes: b9c94167904f ("bus/dpaa: decouple FQ portal alloc and init")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
> > ---
> >  drivers/bus/dpaa/base/qbman/qman_driver.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/bus/dpaa/base/qbman/qman_driver.c
> > b/drivers/bus/dpaa/base/qbman/qman_driver.c
> > index 1166d68e2..1bff0bc2f 100644
> > --- a/drivers/bus/dpaa/base/qbman/qman_driver.c
> > +++ b/drivers/bus/dpaa/base/qbman/qman_driver.c
> > @@ -142,7 +142,7 @@ struct qman_portal *fsl_qman_fq_portal_create(int
> *fd)
> >  	struct qm_portal_config *q_pcfg;
> >  	struct dpaa_ioctl_irq_map irq_map;
> >  	struct dpaa_ioctl_portal_map q_map = {0};
> > -	int q_fd = 0, ret;
> > +	int q_fd = -1, ret;
> >
> >  	q_pcfg = kzalloc((sizeof(struct qm_portal_config)), 0);
> >  	if (!q_pcfg) {
> > @@ -191,7 +191,7 @@ struct qman_portal *fsl_qman_fq_portal_create(int
> > *fd)
> >  err:
> >  	if (portal)
> >  		qman_free_global_portal(portal);
> > -	if (q_fd)
> > +	if (q_fd != -1)
> >  		close(q_fd);
> 
> There is already a 'if (q_fd == -1)' check above to goto this label, what do you
> think adding a second label to remove duplicated check?

Thanks for your suggestion. I will do like this.

Yunjian

  reply	other threads:[~2020-09-15 12:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-26 11:54 [dpdk-dev] " wangyunjian
2020-08-26 12:08 ` Sachin Saxena (OSS)
2020-09-14 17:24 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2020-09-15 12:03   ` wangyunjian [this message]
2020-09-15 11:57 ` [dpdk-dev] [PATCH v2] " wangyunjian
2020-09-16 14:48   ` Hemant Agrawal
2020-09-16 23:05   ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit

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