[edk2-devel] [PATCH EDK2 v2 1/1] OvmfPkg/XenPvBlkDxe: add return value if allocting fail

[wenyi,xie via groups.io]

return EFI_OUT_OF_RESOURCES if pool allocating fail.

Cc: Jordan Justen <jordan.l.justen at intel.com>
Cc: Laszlo Ersek <lersek at redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
Cc: Anthony Perard <anthony.perard at citrix.com>
Cc: Julien Grall <julien at xen.org>
Signed-off-by: Wenyi Xie <xiewenyi2 at huawei.com>
---
 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



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