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authorWenyi Xie <xiewenyi2@huawei.com>2020-11-24 10:06:32 +0800
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2020-11-27 17:52:59 +0000
commitf69a2b9a42029bcbcf88d074425ebe63495b0a08 (patch)
tree0bf5401c3b09516e32e50142210196ff1e639da2 /OvmfPkg/XenPvBlkDxe
parent73b604bb1e13ff915c523180979f7b4db34b6d1b (diff)
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OvmfPkg/XenPvBlkDxe: add return value if allocting fail
return EFI_OUT_OF_RESOURCES if pool allocating fail. Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Anthony Perard <anthony.perard@citrix.com> Cc: Julien Grall <julien@xen.org> Signed-off-by: Wenyi Xie <xiewenyi2@huawei.com> Message-Id: <1606183592-81879-2-git-send-email-xiewenyi2@huawei.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'OvmfPkg/XenPvBlkDxe')
-rw-r--r--OvmfPkg/XenPvBlkDxe/BlockFront.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/OvmfPkg/XenPvBlkDxe/BlockFront.c b/OvmfPkg/XenPvBlkDxe/BlockFront.c
index 122a6baed2..14f9cc85b3 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;