From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by mx.groups.io with SMTP id smtpd.web09.46510.1606183693716748478 for ; Mon, 23 Nov 2020 18:08:14 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: huawei.com, ip: 45.249.212.190, mailfrom: xiewenyi2@huawei.com) Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Cg6qX4CHLz15PbQ; Tue, 24 Nov 2020 10:07:52 +0800 (CST) Received: from HGH1000039998.huawei.com (10.184.68.188) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.487.0; Tue, 24 Nov 2020 10:08:01 +0800 From: "wenyi,xie" To: , , , , , CC: , Subject: [PATCH EDK2 v2 1/1] OvmfPkg/XenPvBlkDxe: add return value if allocting fail Date: Tue, 24 Nov 2020 10:06:32 +0800 Message-ID: <1606183592-81879-2-git-send-email-xiewenyi2@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1606183592-81879-1-git-send-email-xiewenyi2@huawei.com> References: <1606183592-81879-1-git-send-email-xiewenyi2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.184.68.188] X-CFilter-Loop: Reflected Content-Type: text/plain return EFI_OUT_OF_RESOURCES if pool allocating fail. Cc: Jordan Justen Cc: Laszlo Ersek Cc: Ard Biesheuvel Cc: Anthony Perard Cc: Julien Grall Signed-off-by: Wenyi Xie --- OvmfPkg/XenPvBlkDxe/BlockFront.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/OvmfPkg/XenPvBlkDxe/BlockFront.c b/OvmfPkg/XenPvBlkDxe/BlockFront.c index 122a6baed25a..32d70c36cef2 100644 --- a/OvmfPkg/XenPvBlkDxe/BlockFront.c +++ b/OvmfPkg/XenPvBlkDxe/BlockFront.c @@ -155,6 +155,10 @@ XenPvBlockFrontInitialization ( ASSERT (NodeName != NULL); Dev = AllocateZeroPool (sizeof (XEN_BLOCK_FRONT_DEVICE)); + if (Dev == NULL) { + return EFI_OUT_OF_RESOURCES; + } + Dev->Signature = XEN_BLOCK_FRONT_SIGNATURE; Dev->NodeName = NodeName; Dev->XenBusIo = XenBusIo; -- 2.20.1.windows.1