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From: wangyunjian <wangyunjian@huawei.com>
To: Jeff Guo <jia.guo@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Lilijun (Jerry)" <jerry.lilijun@huawei.com>,
	xudingke <xudingke@huawei.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 3/3] eal: return error code when failure
Date: Thu, 2 Jul 2020 10:43:42 +0000	[thread overview]
Message-ID: <34EFBCA9F01B0748BEB6B629CE643AE60D0980EE@dggemm513-mbx.china.huawei.com> (raw)
In-Reply-To: <058d3d03-ccd4-f8f1-c489-5b6525867516@intel.com>

> -----Original Message-----
> From: Jeff Guo [mailto:jia.guo@intel.com]
> Sent: Thursday, July 2, 2020 5:19 PM
> To: wangyunjian <wangyunjian@huawei.com>; dev@dpdk.org
> Cc: Lilijun (Jerry) <jerry.lilijun@huawei.com>; xudingke
> <xudingke@huawei.com>; stable@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 3/3] eal: return error code when failure
> 
> hi, yunjian
> 
> On 6/3/2020 8:55 PM, wangyunjian wrote:
> > From: Yunjian Wang <wangyunjian@huawei.com>
> >
> > Fix return value, using -EAGAIN instead of 0 when the callback is busy
> > and using -ENOENT instead of 0 when the callback is not found.
> >
> > Fixes: a753e53d517b ("eal: add device event monitor framework")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
> > ---
> >   lib/librte_eal/common/eal_common_dev.c | 7 ++++++-
> >   1 file changed, 6 insertions(+), 1 deletion(-)
> >
> > diff --git a/lib/librte_eal/common/eal_common_dev.c
> > b/lib/librte_eal/common/eal_common_dev.c
> > index 6b465bc..5f5e333 100644
> > --- a/lib/librte_eal/common/eal_common_dev.c
> > +++ b/lib/librte_eal/common/eal_common_dev.c
> > @@ -536,9 +536,14 @@ static int cmp_dev_name(const struct rte_device
> *dev, const void *_name)
> >   			free(event_cb);
> >   			ret++;
> >   		} else {
> > -			continue;
> > +			ret = -EAGAIN;
> > +			break;
> >   		}
> >   	}
> 
> 
> Suggest add a blank line here if there will be another version.

Thanks, I will fix it in next version.

Yunjian

> 
> 
> > +	/* this callback is not be registered */
> > +	if (ret == 0)
> > +		ret = -ENOENT;
> > +
> >   	rte_spinlock_unlock(&dev_event_lock);
> >   	return ret;
> >   }
> 
> Look good and thanks.
> 
> Acked-by: Jeff Guo <jia.guo@intel.com>


      reply	other threads:[~2020-07-02 10:43 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-03 12:33 [dpdk-dev] [PATCH 0/3] fixes for device event wangyunjian
2020-06-03 12:54 ` wangyunjian
2020-06-03 12:54 ` [dpdk-dev] [PATCH 1/3] eal: fix memory leak when removing event_cb wangyunjian
2020-06-03 12:55 ` [dpdk-dev] [PATCH 2/3] eal: fix remove incorrect event_cb wangyunjian
2020-06-12  5:56   ` Jeff Guo
2020-06-30 11:29     ` wangyunjian
2020-06-30 11:56   ` [dpdk-dev] [PATCH v2] eal: fix memory leak when removing event_cb wangyunjian
2020-07-02  9:28     ` Jeff Guo
2020-07-02 10:53       ` wangyunjian
2020-07-02 11:46   ` [dpdk-dev] [PATCH v3 0/2] fixes for device event wangyunjian
2020-07-02 11:47   ` [dpdk-dev] [PATCH v3 1/2] eal: fix memory leak when removing event_cb wangyunjian
2020-07-03  6:04     ` Jeff Guo
2020-07-03  7:00       ` wangyunjian
2020-07-03  7:23     ` [dpdk-dev] [dpdk-stable] " David Marchand
2020-07-03  7:52       ` wangyunjian
2020-07-03  8:01         ` David Marchand
2020-07-02 11:47   ` [dpdk-dev] [PATCH v3 2/2] eal: return error code when failure wangyunjian
2020-06-03 12:55 ` [dpdk-dev] [PATCH 3/3] " wangyunjian
2020-07-02  9:18   ` Jeff Guo
2020-07-02 10:43     ` wangyunjian [this message]

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