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Mon, 13 Sep 2021 23:18:59 +0000 X-Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Mon, 13 Sep 2021 23:18:59 +0000 X-Received: from build-jbrasen-20210913T102602203.nvidia.com (172.20.187.5) by mail.nvidia.com (172.20.187.18) with Microsoft SMTP Server id 15.0.1497.18 via Frontend Transport; Mon, 13 Sep 2021 23:18:59 +0000 From: "Jeff Brasen via groups.io" To: CC: , , , , Jeff Brasen Subject: [edk2-devel] [PATCH v3 2/4] EmbeddedPkg: AndroidBootImgBoot error handling updates Date: Mon, 13 Sep 2021 23:18:49 +0000 Message-ID: <212f203320b448f4832b31ea4513119693114012.1631574815.git.jbrasen@nvidia.com> MIME-Version: 1.0 In-Reply-To: References: X-NVConfidentiality: public X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 27fd90fd-dcab-478f-feec-08d9770cde0a X-MS-TrafficTypeDiagnostic: CH2PR12MB3878: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:166; 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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,jbrasen@nvidia.com X-Gm-Message-State: ukinLH2fCHljw5Wr3KfmKjvbx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1631575143; bh=0L1LDUL3sQ44yObRfqma1/8kjMYgQtzOdj9Cbq4xOuo=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=Td7Cr0Z7l+lvNhKfyN/ON/WG9LotNBs5hZfiCPfoV0N3a9sf1uq0Udz4y7j3U/sCaJN kg29my/8BIa9ENdOR9yk+QqLxCgTD/nsUzpt27RuLjpNNFQNW00NRYn8w+jJeSykXL7eL Ge9YAlW2xb8Sm+W5rqtZEIiBdCazqzt8vjw= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1631575145426100010 Content-Type: text/plain; charset="utf-8" Update AndroidBootImgBoot to use a single return point Make sure Kernel args are freed and Image is unloaded. Signed-off-by: Jeff Brasen --- .../AndroidBootImgLib/AndroidBootImgLib.c | 50 +++++++++++-------- 1 file changed, 29 insertions(+), 21 deletions(-) diff --git a/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c b/Em= beddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c index 33425060b15d..324933013d91 100644 --- a/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c +++ b/EmbeddedPkg/Library/AndroidBootImgLib/AndroidBootImgLib.c @@ -382,10 +382,13 @@ AndroidBootImgBoot ( UINTN RamdiskSize; IN VOID *FdtBase; =20 + NewKernelArg =3D NULL; + ImageHandle =3D NULL; + Status =3D gBS->LocateProtocol (&gAndroidBootImgProtocolGuid, NULL, (VOID **) &mAndroidBootImg); if (EFI_ERROR (Status)) { - return Status; + goto Exit; } =20 Status =3D AndroidBootImgGetKernelInfo ( @@ -394,19 +397,19 @@ AndroidBootImgBoot ( &KernelSize ); if (EFI_ERROR (Status)) { - return Status; + goto Exit; } =20 NewKernelArg =3D AllocateZeroPool (ANDROID_BOOTIMG_KERNEL_ARGS_SIZE); if (NewKernelArg =3D=3D NULL) { DEBUG ((DEBUG_ERROR, "Fail to allocate memory\n")); - return EFI_OUT_OF_RESOURCES; + Status =3D EFI_OUT_OF_RESOURCES; + goto Exit; } =20 Status =3D AndroidBootImgUpdateArgs (Buffer, NewKernelArg); if (EFI_ERROR (Status)) { - FreePool (NewKernelArg); - return Status; + goto Exit; } =20 Status =3D AndroidBootImgGetRamdiskInfo ( @@ -415,19 +418,17 @@ AndroidBootImgBoot ( &RamdiskSize ); if (EFI_ERROR (Status)) { - return Status; + goto Exit; } =20 Status =3D AndroidBootImgLocateFdt (Buffer, &FdtBase); if (EFI_ERROR (Status)) { - FreePool (NewKernelArg); - return Status; + goto Exit; } =20 Status =3D AndroidBootImgUpdateFdt (Buffer, FdtBase, RamdiskData, Ramdis= kSize); if (EFI_ERROR (Status)) { - FreePool (NewKernelArg); - return Status; + goto Exit; } =20 KernelDevicePath =3D mMemoryDevicePathTemplate; @@ -440,21 +441,15 @@ AndroidBootImgBoot ( (EFI_DEVICE_PATH *)&KernelDevicePath, (VOID*)(UINTN)Kernel, KernelSize, &ImageHandle); if (EFI_ERROR (Status)) { - // - // With EFI_SECURITY_VIOLATION retval, the Image was loaded and an Ima= geHandle was created - // with a valid EFI_LOADED_IMAGE_PROTOCOL, but the image can not be st= arted right now. - // If the caller doesn't have the option to defer the execution of an = image, we should - // unload image for the EFI_SECURITY_VIOLATION to avoid resource leak. - // - if (Status =3D=3D EFI_SECURITY_VIOLATION) { - gBS->UnloadImage (ImageHandle); - } - return Status; + goto Exit; } =20 // Set kernel arguments Status =3D gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGui= d, (VOID **) &ImageInfo); + if (EFI_ERROR (Status)) { + goto Exit; + } ImageInfo->LoadOptions =3D NewKernelArg; ImageInfo->LoadOptionsSize =3D StrLen (NewKernelArg) * sizeof (CHAR16); =20 @@ -464,5 +459,18 @@ AndroidBootImgBoot ( Status =3D gBS->StartImage (ImageHandle, NULL, NULL); // Clear the Watchdog Timer if the image returns gBS->SetWatchdogTimer (0, 0x10000, 0, NULL); - return EFI_SUCCESS; + +Exit: + //Unload image as it will not be used anymore + if (ImageHandle !=3D NULL) { + gBS->UnloadImage (ImageHandle); + ImageHandle =3D NULL; + } + if (EFI_ERROR (Status)) { + if (NewKernelArg !=3D NULL) { + FreePool (NewKernelArg); + NewKernelArg =3D NULL; + } + } + return Status; } --=20 2.17.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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