From: "Ni, Ruiyu" <ruiyu.ni@Intel.com>
To: Laszlo Ersek <lersek@redhat.com>,
edk2-devel-01 <edk2-devel@lists.01.org>
Cc: Chao Zhang <chao.b.zhang@intel.com>,
Eric Dong <eric.dong@intel.com>,
Jaben Carsey <jaben.carsey@intel.com>,
Jiaxin Wu <jiaxin.wu@intel.com>,
Jiewen Yao <jiewen.yao@intel.com>,
Liming Gao <liming.gao@intel.com>,
Michael D Kinney <michael.d.kinney@intel.com>,
Roman Bacik <roman.bacik@broadcom.com>,
Siyuan Fu <siyuan.fu@intel.com>, Star Zeng <star.zeng@intel.com>
Subject: Re: [PATCH 1/6] MdePkg/UefiLib: introduce EfiOpenFileByDevicePath()
Date: Fri, 27 Jul 2018 17:15:21 +0800 [thread overview]
Message-ID: <7ab55ec6-58a5-2353-12ec-e048ba4107e9@Intel.com> (raw)
In-Reply-To: <20180718205043.17574-2-lersek@redhat.com>
On 7/19/2018 4:50 AM, Laszlo Ersek wrote:
> + //
> + // Open the next pathname fragment with EFI_FILE_MODE_CREATE masked out and
> + // with Attributes set to 0.
> + //
> + Status = LastFile->Open (
> + LastFile,
> + &NextFile,
> + PathName,
> + OpenMode & ~(UINT64)EFI_FILE_MODE_CREATE,
> + 0
> + );
> +
> + //
> + // Retry with EFI_FILE_MODE_CREATE and the original Attributes if the first
> + // attempt failed, and the caller specified EFI_FILE_MODE_CREATE.
> + //
> + if (EFI_ERROR (Status) && (OpenMode & EFI_FILE_MODE_CREATE) != 0) {
> + Status = LastFile->Open (
> + LastFile,
> + &NextFile,
> + PathName,
> + OpenMode,
> + Attributes
> + );
> + }
Laszlo,
Why to open the file firstly with CREATE flag off?
Per spec, when CREATE is set but file exists, the file is opened.
--
Thanks,
Ray
next prev parent reply other threads:[~2018-07-27 9:15 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-18 20:50 [PATCH 0/6] UefiLib: centralize OpenFileByDevicePath() and fix its bugs Laszlo Ersek
2018-07-18 20:50 ` [PATCH 1/6] MdePkg/UefiLib: introduce EfiOpenFileByDevicePath() Laszlo Ersek
2018-07-18 23:10 ` Yao, Jiewen
2018-07-19 10:47 ` Laszlo Ersek
2018-07-19 13:03 ` Yao, Jiewen
2018-07-24 17:20 ` Laszlo Ersek
2018-07-27 9:15 ` Ni, Ruiyu [this message]
2018-07-27 9:28 ` Ni, Ruiyu
2018-07-27 12:06 ` Laszlo Ersek
2018-07-30 1:54 ` Ni, Ruiyu
2018-07-30 14:13 ` Laszlo Ersek
2018-08-02 4:06 ` Gao, Liming
2018-08-02 14:45 ` Laszlo Ersek
2018-07-18 20:50 ` [PATCH 2/6] MdeModulePkg/RamDiskDxe: replace OpenFileByDevicePath() with UefiLib API Laszlo Ersek
2018-07-19 10:36 ` Zeng, Star
2018-07-19 13:20 ` Laszlo Ersek
2018-07-20 10:22 ` Zeng, Star
2018-07-18 20:50 ` [PATCH 3/6] NetworkPkg/TlsAuthConfigDxe: " Laszlo Ersek
2018-07-24 17:20 ` Laszlo Ersek
2018-07-25 0:30 ` Wu, Jiaxin
2018-07-18 20:50 ` [PATCH 4/6] SecurityPkg/SecureBootConfigDxe: " Laszlo Ersek
2018-07-24 5:09 ` Zhang, Chao B
2018-07-18 20:50 ` [PATCH 5/6] ShellPkg/UefiShellLib: drop DeviceHandle param of ShellOpenFileByDevicePath() Laszlo Ersek
2018-07-18 20:50 ` [PATCH 6/6] ShellPkg/UefiShellLib: rebase ShellOpenFileByDevicePath() to UefiLib API Laszlo Ersek
2018-07-18 21:15 ` [PATCH 0/6] UefiLib: centralize OpenFileByDevicePath() and fix its bugs Carsey, Jaben
2018-07-19 0:07 ` Ard Biesheuvel
2018-07-19 10:38 ` Laszlo Ersek
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