Re: [edk2-devel] [edk2-core] [PATCH v3 1/1] MdeModulePkg: Make retval in UninstallMultipleProtocol follow Spec

["Laszlo Ersek" <lersek@redhat.com>]

On 02/19/20 06:58, Dandan Bi wrote:
> This patch seems be reviewed but not submitted. Hope it can be covered in Q1 stable tag.

Should have been merged months ago.

Jian, Hao, can you pick up this patch now please?

Thanks
Laszlo

> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Heinrich Schuchardt
> Sent: Thursday, September 12, 2019 2:34 PM
> To: EDK II Development <devel@edk2.groups.io>; Bi, Dandan <dandan.bi@intel.com>
> Cc: Jin, Eric <eric.jin@intel.com>; Supreeth Venkatesh <supreeth.venkatesh@arm.com>; Stephano Cetola <stephano.cetola@linux.intel.com>; Wu, Hao A <hao.a.wu@intel.com>; Wang, Jian J <jian.j.wang@intel.com>; Gao, Liming <liming.gao@intel.com>; Zeng, Star <star.zeng@intel.com>; Yao, Jiewen <jiewen.yao@intel.com>; Laszlo Ersek <lersek@redhat.com>; Heinrich Schuchardt <xypron.glpk@gmx.de>
> Subject: [edk2-devel] [edk2-core] [PATCH v3 1/1] MdeModulePkg: Make retval in UninstallMultipleProtocol follow Spec
> 
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1869
> 
> The UEFI spec requires that if any error occurs in UninstallMultipleProtocolInterfaces(), EFI_INVALID_PARAMETER is returned and not the return code of UninstallProtocolInterface().
> 
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> Reviewed-by: Dandan Bi <dandan.bi@intel.com>
> ---
> v3
>         Use @retval instead of @return.
>         The protocols are reinstalled in the same order in which they are
>         uninstalled.
> v2
> 	Adjust the subject line.
> 	Adjust the function comments to clarify the behavior.
> 	This replaces https://edk2.groups.io/g/devel/message/46974
> ---
>  MdeModulePkg/Core/Dxe/Hand/Handle.c | 20 ++++++++++++++------
>  1 file changed, 14 insertions(+), 6 deletions(-)
> 
> diff --git a/MdeModulePkg/Core/Dxe/Hand/Handle.c b/MdeModulePkg/Core/Dxe/Hand/Handle.c
> index b2721b3ab2..81a13c6ae5 100644
> --- a/MdeModulePkg/Core/Dxe/Hand/Handle.c
> +++ b/MdeModulePkg/Core/Dxe/Hand/Handle.c
> @@ -802,20 +802,27 @@ Done:
>    - /**   Uninstalls a list of protocol interface in the boot services environment.-  This function calls UnisatllProtocolInterface() in a loop. This is+  This function calls UninstallProtocolInterface() in a loop. This is   basically a lib function to save space. -  @param  Handle                 The handle to uninstall the protocol+  If any errors are generated while the protocol interfaces are being+  uninstalled, then the protocol interfaces uninstalled prior to the error will+  be reinstalled and EFI_INVALID_PARAMETER will be returned.++  @param  Handle                 The handle to uninstall the protocol interfaces+                                 from.   @param  ...                    EFI_GUID followed by protocol instance. A NULL-                                 terminates the  list. The pairs are the+                                 terminates the list. The pairs are the                                  arguments to UninstallProtocolInterface(). All                                  the protocols are added to Handle. -  @return Status code-+  @retval EFI_SUCCESS            if all protocol interfaces where uninstalled.+  @retval EFI_INVALID_PARAMETER  if any protocol interface could not be+                                 uninstalled and an attempt was made to+                                 reinstall previously uninstalled protocol+                                 interfaces. **/ EFI_STATUS EFIAPI@@ -864,6 +871,7 @@ CoreUninstallMultipleProtocolInterfaces (
>        CoreInstallProtocolInterface (&Handle, Protocol, EFI_NATIVE_INTERFACE, Interface);     }     VA_END (Args);+    Status = EFI_INVALID_PARAMETER;   }    return Status;-- 
> 2.20.1
> 
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