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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: "Qiu, Michael" <michael.qiu@intel.com>,
	Michael Qiu <qdy220091330@gmail.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2] VFIO: Avoid to enable vfio while the module not loaded
Date: Mon, 8 Dec 2014 18:47:26 +0000
Message-ID: <C6ECDF3AB251BE4894318F4E4512369780C22DC7@IRSMSX109.ger.corp.intel.com> (raw)
In-Reply-To: <533710CFB86FA344BFBF2D6802E60286C9D920@SHSMSX101.ccr.corp.intel.com>

Hi Michael

> I don't think so, if we check module "vfio", but if given  module name is
> "vfio_xx", it will also correct if use strncmp.

Sorry I missed this the last time. I don't think that is the case. If you do strncmp on sizeof(buffer), strncmp will always check 30 bytes. That way if you check vfio against vfio_xx, you'll get a mismatch. Of course, replacing fscanf with fgets would be better too, to make sure we never go over our buffer size when dealing with /proc/modules. 

Thanks,
Anatoly 

  reply	other threads:[~2014-12-08 18:47 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-04  3:36 [dpdk-dev] [PATCH] " Michael Qiu
2014-12-04 10:00 ` [dpdk-dev] [PATCH v2] " Michael Qiu
2014-12-05 10:00   ` Burakov, Anatoly
2014-12-08  7:25     ` Qiu, Michael
2014-12-08 18:47       ` Burakov, Anatoly [this message]
2014-12-09  2:47         ` Qiu, Michael
2014-12-09  9:51           ` Burakov, Anatoly
2014-12-08  8:27   ` [dpdk-dev] [PATCH v3] " Michael Qiu
2014-12-08  9:54     ` Burakov, Anatoly
2014-12-08 10:28       ` Qiu, Michael
2014-12-08 10:44   ` [dpdk-dev] [PATCH v4] " Michael Qiu
2014-12-08 12:19     ` Burakov, Anatoly
2014-12-08 15:28       ` Qiu, Michael
2014-12-10  0:17         ` Xie, Huawei
2014-12-10  2:06           ` Qiu, Michael
2014-12-10  2:22     ` [dpdk-dev] [PATCH v5] " Michael Qiu
2014-12-10  9:21       ` Burakov, Anatoly
2014-12-10 11:29         ` Qiu, Michael
2014-12-10 11:46     ` [dpdk-dev] [PATCH v6] " Michael Qiu
2014-12-10 11:48       ` Burakov, Anatoly
2014-12-19  7:09         ` Qiu, Michael
2014-12-19  8:23           ` Thomas Monjalon
2014-12-22  1:21             ` Qiu, Michael
2015-01-15 13:38         ` Thomas Monjalon
2015-01-15 13:42           ` Burakov, Anatoly
2015-01-15 13:51             ` Thomas Monjalon
2014-12-04 13:12 ` [dpdk-dev] [PATCH] " Burakov, Anatoly
2014-12-04 13:47   ` Qiu, Michael
2014-12-04 16:31     ` Burakov, Anatoly
2014-12-05  4:01       ` Qiu, Michael
2014-12-04 13:13 ` Burakov, Anatoly

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