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From: Thomas Monjalon <thomas@monjalon.net>
To: Chengwen Feng <fengchengwen@huawei.com>
Cc: ferruh.yigit@amd.com, Keith Wiles <keith.wiles@intel.com>,
 Ciara Power <ciara.power@intel.com>,
 Bruce Richardson <bruce.richardson@intel.com>, Jeff Guo <jia.guo@intel.com>,
 Jianfeng Tan <jianfeng.tan@intel.com>, dev@dpdk.org,
 "lihuisong (C)" <lihuisong@huawei.com>
Subject: Re: [PATCH v2 01/16] eal: verify strdup return value
Date: Sun, 18 Feb 2024 14:50:17 +0100
Message-ID: <3908156.n0HT0TaD9V@thomas>
In-Reply-To: <33374b1c-5d68-ed0e-cb2c-ceda04187903@huawei.com>
References: <20231110100117.8350-1-fengchengwen@huawei.com>
 <20231110100117.8350-2-fengchengwen@huawei.com>
 <33374b1c-5d68-ed0e-cb2c-ceda04187903@huawei.com>
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21/11/2023 04:44, lihuisong (C):
> =E5=9C=A8 2023/11/10 18:01, Chengwen Feng =E5=86=99=E9=81=93:
> > --- a/lib/eal/linux/eal_dev.c
> > +++ b/lib/eal/linux/eal_dev.c
> > @@ -181,7 +181,10 @@ dev_uev_parse(const char *buf, struct rte_dev_even=
t *event, int length)
> >   			buf +=3D 14;
> >   			i +=3D 14;
> >   			strlcpy(pci_slot_name, buf, sizeof(subsystem));
> > +			free(event->devname);
> It seems that above free for devname is unnecessary.

You didn't reply to this comment, so I will drop this free call.

> >   			event->devname =3D strdup(pci_slot_name);
> > +			if (event->devname =3D=3D NULL)
> > +				return -1;