diff --git a/bufferinfo/legacy/BufferInfoImagination.cpp b/bufferinfo/legacy/BufferInfoImagination.cpp
index 6823a74..1858ddb 100644
--- a/bufferinfo/legacy/BufferInfoImagination.cpp
+++ b/bufferinfo/legacy/BufferInfoImagination.cpp
@@ -29,22 +29,24 @@
 
 LEGACY_BUFFER_INFO_GETTER(BufferInfoImagination);
 
-int BufferInfoImagination::ConvertBoInfo(buffer_handle_t handle,
-                                         BufferInfo *bo) {
+auto BufferInfoImagination::GetBoInfo(buffer_handle_t handle)
+    -> std::optional<BufferInfo> {
   auto *hnd = (IMG_native_handle_t *)handle;
   if (!hnd)
-    return -EINVAL;
+    return {};
 
   /* Extra bits are responsible for buffer compression and memory layout */
   if (hnd->iFormat & ~0x10f) {
     ALOGV("Special buffer formats are not supported");
-    return -EINVAL;
+    return {};
   }
 
-  bo->width = hnd->iWidth;
-  bo->height = hnd->iHeight;
-  bo->prime_fds[0] = hnd->fd[0];
-  bo->pitches[0] = ALIGN(hnd->iWidth, HW_ALIGN) * hnd->uiBpp >> 3;
+  BufferInfo bi{};
+
+  bi.width = hnd->iWidth;
+  bi.height = hnd->iHeight;
+  bi.prime_fds[0] = hnd->fd[0];
+  bi.pitches[0] = ALIGN(hnd->iWidth, HW_ALIGN) * hnd->uiBpp >> 3;
 
   switch (hnd->iFormat) {
 #ifdef HAL_PIXEL_FORMAT_BGRX_8888
@@ -53,14 +55,14 @@
       break;
 #endif
     default:
-      bo->format = ConvertHalFormatToDrm(hnd->iFormat & 0xf);
-      if (bo->format == DRM_FORMAT_INVALID) {
+      bi.format = ConvertHalFormatToDrm(hnd->iFormat & 0xf);
+      if (bi.format == DRM_FORMAT_INVALID) {
         ALOGV("Cannot convert hal format to drm format %u", hnd->iFormat);
-        return -EINVAL;
+        return {};
       }
   }
 
-  return 0;
+  return bi;
 }
 
 }  // namespace android
diff --git a/bufferinfo/legacy/BufferInfoImagination.h b/bufferinfo/legacy/BufferInfoImagination.h
index 4066d11..635e3b5 100644
--- a/bufferinfo/legacy/BufferInfoImagination.h
+++ b/bufferinfo/legacy/BufferInfoImagination.h
@@ -27,7 +27,7 @@
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
 
-  int ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) override;
+  auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
 };
 }  // namespace android
 
diff --git a/bufferinfo/legacy/BufferInfoLibdrm.cpp b/bufferinfo/legacy/BufferInfoLibdrm.cpp
index 3bea3f2..ac71ec0 100644
--- a/bufferinfo/legacy/BufferInfoLibdrm.cpp
+++ b/bufferinfo/legacy/BufferInfoLibdrm.cpp
@@ -162,13 +162,16 @@
   return true;
 }
 
-int BufferInfoLibdrm::ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) {
+auto BufferInfoLibdrm::GetBoInfo(buffer_handle_t handle)
+    -> std::optional<BufferInfo> {
   gralloc_handle_t *gr_handle = gralloc_handle(handle);
   if (!gr_handle)
-    return -EINVAL;
+    return {};
 
-  bo->width = gr_handle->width;
-  bo->height = gr_handle->height;
+  BufferInfo bi{};
+
+  bi.width = gr_handle->width;
+  bi.height = gr_handle->height;
 
 #if GRALLOC_HANDLE_VERSION < 4
   static std::once_flag once;
@@ -178,34 +181,34 @@
   });
 #endif
 #if GRALLOC_HANDLE_VERSION == 4
-  bo->modifiers[0] = gr_handle->modifier;
+  bi.modifiers[0] = gr_handle->modifier;
 #endif
 
-  bo->prime_fds[0] = gr_handle->prime_fd;
+  bi.prime_fds[0] = gr_handle->prime_fd;
 
   if (is_yuv(gr_handle->format)) {
-    if (!GetYuvPlaneInfo(gr_handle->format, handle->numFds, handle, bo))
-      return -EINVAL;
+    if (!GetYuvPlaneInfo(gr_handle->format, handle->numFds, handle, &bi))
+      return {};
   } else {
-    bo->pitches[0] = gr_handle->stride;
-    bo->offsets[0] = 0;
+    bi.pitches[0] = gr_handle->stride;
+    bi.offsets[0] = 0;
 
     /* FOSS graphic components (gbm_gralloc, mesa3d) are translating
      * HAL_PIXEL_FORMAT_RGB_565 to DRM_FORMAT_RGB565 without swapping
      * the R and B components. Same must be done here. */
     switch (gr_handle->format) {
       case HAL_PIXEL_FORMAT_RGB_565:
-        bo->format = DRM_FORMAT_RGB565;
+        bi.format = DRM_FORMAT_RGB565;
         break;
       default:
-        bo->format = ConvertHalFormatToDrm(gr_handle->format);
+        bi.format = ConvertHalFormatToDrm(gr_handle->format);
     }
 
-    if (bo->format == DRM_FORMAT_INVALID)
-      return -EINVAL;
+    if (bi.format == DRM_FORMAT_INVALID)
+      return {};
   }
 
-  return 0;
+  return bi;
 }
 
 constexpr char gbm_gralloc_module_name[] = "GBM Memory Allocator";
diff --git a/bufferinfo/legacy/BufferInfoLibdrm.h b/bufferinfo/legacy/BufferInfoLibdrm.h
index 17ee5fb..7f5b08c 100644
--- a/bufferinfo/legacy/BufferInfoLibdrm.h
+++ b/bufferinfo/legacy/BufferInfoLibdrm.h
@@ -26,7 +26,7 @@
 class BufferInfoLibdrm : public LegacyBufferInfoGetter {
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
-  int ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) override;
+  auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
   int ValidateGralloc() override;
 
  private:
diff --git a/bufferinfo/legacy/BufferInfoMaliHisi.cpp b/bufferinfo/legacy/BufferInfoMaliHisi.cpp
index 7a75075..1c7f4d0 100644
--- a/bufferinfo/legacy/BufferInfoMaliHisi.cpp
+++ b/bufferinfo/legacy/BufferInfoMaliHisi.cpp
@@ -66,30 +66,33 @@
 }
 #endif
 
-int BufferInfoMaliHisi::ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) {
+auto BufferInfoMaliHisi::GetBoInfo(buffer_handle_t handle)
+    -> std::optional<BufferInfo> {
   bool is_rgb = false;
 
   const auto *hnd = (private_handle_t const *)handle;
   if (!hnd)
-    return -EINVAL;
+    return {};
 
   if (!(hnd->usage & GRALLOC_USAGE_HW_FB))
-    return -EINVAL;
+    return {};
 
   uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format);
   if (fmt == DRM_FORMAT_INVALID)
-    return -EINVAL;
+    return {};
+
+  BufferInfo bi{};
 
   is_rgb = IsDrmFormatRgb(fmt);
-  bo->modifiers[0] = ConvertGrallocFormatToDrmModifiers(hnd->internal_format,
-                                                        is_rgb);
+  bi.modifiers[0] = ConvertGrallocFormatToDrmModifiers(hnd->internal_format,
+                                                       is_rgb);
 
-  bo->width = hnd->width;
-  bo->height = hnd->height;
-  bo->format = fmt;
-  bo->pitches[0] = hnd->byte_stride;
-  bo->prime_fds[0] = hnd->share_fd;
-  bo->offsets[0] = 0;
+  bi.width = hnd->width;
+  bi.height = hnd->height;
+  bi.format = fmt;
+  bi.pitches[0] = hnd->byte_stride;
+  bi.prime_fds[0] = hnd->share_fd;
+  bi.offsets[0] = 0;
 
   switch (fmt) {
     case DRM_FORMAT_YVU420: {
@@ -103,20 +106,20 @@
       int v_size = vu_stride * (adjusted_height / 2);
 
       /* V plane*/
-      bo->prime_fds[1] = hnd->share_fd;
-      bo->pitches[1] = vu_stride;
-      bo->offsets[1] = y_size;
+      bi.prime_fds[1] = hnd->share_fd;
+      bi.pitches[1] = vu_stride;
+      bi.offsets[1] = y_size;
       /* U plane */
-      bo->prime_fds[2] = hnd->share_fd;
-      bo->pitches[2] = vu_stride;
-      bo->offsets[2] = y_size + v_size;
+      bi.prime_fds[2] = hnd->share_fd;
+      bi.pitches[2] = vu_stride;
+      bi.offsets[2] = y_size + v_size;
       break;
     }
     default:
       break;
   }
 
-  return 0;
+  return bi;
 }
 
 }  // namespace android
diff --git a/bufferinfo/legacy/BufferInfoMaliHisi.h b/bufferinfo/legacy/BufferInfoMaliHisi.h
index e809d06..cc37491 100644
--- a/bufferinfo/legacy/BufferInfoMaliHisi.h
+++ b/bufferinfo/legacy/BufferInfoMaliHisi.h
@@ -27,7 +27,7 @@
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
 
-  int ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) override;
+  auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
 
  private:
   uint64_t ConvertGrallocFormatToDrmModifiers(uint64_t flags, bool is_rgb);
diff --git a/bufferinfo/legacy/BufferInfoMaliMediatek.cpp b/bufferinfo/legacy/BufferInfoMaliMediatek.cpp
index 569148b..2e10460 100644
--- a/bufferinfo/legacy/BufferInfoMaliMediatek.cpp
+++ b/bufferinfo/legacy/BufferInfoMaliMediatek.cpp
@@ -32,24 +32,26 @@
 
 LEGACY_BUFFER_INFO_GETTER(BufferInfoMaliMediatek);
 
-int BufferInfoMaliMediatek::ConvertBoInfo(buffer_handle_t handle,
-                                          BufferInfo *bo) {
+auto BufferInfoMaliMediatek::GetBoInfo(buffer_handle_t handle)
+    -> std::optional<BufferInfo> {
   const auto *hnd = (private_handle_t const *)handle;
   if (!hnd)
-    return -EINVAL;
+    return {};
 
   uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format);
   if (fmt == DRM_FORMAT_INVALID)
-    return -EINVAL;
+    return {};
 
-  bo->width = hnd->width;
-  bo->height = hnd->height;
-  bo->format = fmt;
-  bo->prime_fds[0] = hnd->share_fd;
-  bo->pitches[0] = hnd->byte_stride;
-  bo->offsets[0] = 0;
+  BufferInfo bi{};
 
-  return 0;
+  bi.width = hnd->width;
+  bi.height = hnd->height;
+  bi.format = fmt;
+  bi.prime_fds[0] = hnd->share_fd;
+  bi.pitches[0] = hnd->byte_stride;
+  bi.offsets[0] = 0;
+
+  return bi;
 }
 
 }  // namespace android
diff --git a/bufferinfo/legacy/BufferInfoMaliMediatek.h b/bufferinfo/legacy/BufferInfoMaliMediatek.h
index 5b48019..43d987a 100644
--- a/bufferinfo/legacy/BufferInfoMaliMediatek.h
+++ b/bufferinfo/legacy/BufferInfoMaliMediatek.h
@@ -27,7 +27,7 @@
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
 
-  int ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) override;
+  auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
 };
 }  // namespace android
 
diff --git a/bufferinfo/legacy/BufferInfoMaliMeson.cpp b/bufferinfo/legacy/BufferInfoMaliMeson.cpp
index 08f7717..cadc2bc 100644
--- a/bufferinfo/legacy/BufferInfoMaliMeson.cpp
+++ b/bufferinfo/legacy/BufferInfoMaliMeson.cpp
@@ -61,29 +61,32 @@
 }
 #endif
 
-int BufferInfoMaliMeson::ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) {
+auto BufferInfoMaliMeson::GetBoInfo(buffer_handle_t handle)
+    -> std::optional<BufferInfo> {
   const auto *hnd = (private_handle_t const *)handle;
   if (!hnd)
-    return -EINVAL;
+    return {};
 
   if (!(hnd->usage & GRALLOC_USAGE_HW_FB))
-    return -EINVAL;
+    return {};
 
   uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format);
   if (fmt == DRM_FORMAT_INVALID)
-    return -EINVAL;
+    return {};
 
-  bo->modifiers[0] = BufferInfoMaliMeson::ConvertGrallocFormatToDrmModifiers(
+  BufferInfo bi{};
+
+  bi.modifiers[0] = BufferInfoMaliMeson::ConvertGrallocFormatToDrmModifiers(
       hnd->internal_format);
 
-  bo->width = hnd->width;
-  bo->height = hnd->height;
-  bo->format = fmt;
-  bo->prime_fds[0] = hnd->share_fd;
-  bo->pitches[0] = hnd->byte_stride;
-  bo->offsets[0] = 0;
+  bi.width = hnd->width;
+  bi.height = hnd->height;
+  bi.format = fmt;
+  bi.prime_fds[0] = hnd->share_fd;
+  bi.pitches[0] = hnd->byte_stride;
+  bi.offsets[0] = 0;
 
-  return 0;
+  return {};
 }
 
 }  // namespace android
diff --git a/bufferinfo/legacy/BufferInfoMaliMeson.h b/bufferinfo/legacy/BufferInfoMaliMeson.h
index 3bd126d..3b6fab0 100644
--- a/bufferinfo/legacy/BufferInfoMaliMeson.h
+++ b/bufferinfo/legacy/BufferInfoMaliMeson.h
@@ -26,7 +26,7 @@
 class BufferInfoMaliMeson : public LegacyBufferInfoGetter {
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
-  int ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) override;
+  auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
 
  private:
   uint64_t ConvertGrallocFormatToDrmModifiers(uint64_t flags);
diff --git a/bufferinfo/legacy/BufferInfoMinigbm.cpp b/bufferinfo/legacy/BufferInfoMinigbm.cpp
index 60795b1..c5a9e98 100644
--- a/bufferinfo/legacy/BufferInfoMinigbm.cpp
+++ b/bufferinfo/legacy/BufferInfoMinigbm.cpp
@@ -43,11 +43,14 @@
   int stride[4];
 };
 
-int BufferInfoMinigbm::ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) {
+auto BufferInfoMinigbm::GetBoInfo(buffer_handle_t handle)
+    -> std::optional<BufferInfo> {
   if (handle == nullptr) {
-    return -EINVAL;
+    return {};
   }
 
+  BufferInfo bi{};
+
   uint32_t width{};
   uint32_t height{};
   if (gralloc_->perform(gralloc_, CROS_GRALLOC_DRM_GET_DIMENSIONS, handle,
@@ -55,7 +58,7 @@
     ALOGE(
         "CROS_GRALLOC_DRM_GET_DIMENSIONS operation has failed. "
         "Please ensure you are using the latest minigbm.");
-    return -EINVAL;
+    return {};
   }
 
   int32_t droid_format{};
@@ -64,7 +67,7 @@
     ALOGE(
         "CROS_GRALLOC_DRM_GET_FORMAT operation has failed. "
         "Please ensure you are using the latest minigbm.");
-    return -EINVAL;
+    return {};
   }
 
   uint32_t usage{};
@@ -73,7 +76,7 @@
     ALOGE(
         "CROS_GRALLOC_DRM_GET_USAGE operation has failed. "
         "Please ensure you are using the latest minigbm.");
-    return -EINVAL;
+    return {};
   }
 
   struct cros_gralloc0_buffer_info info {};
@@ -82,22 +85,22 @@
     ALOGE(
         "CROS_GRALLOC_DRM_GET_BUFFER_INFO operation has failed. "
         "Please ensure you are using the latest minigbm.");
-    return -EINVAL;
+    return {};
   }
 
-  bo->width = width;
-  bo->height = height;
+  bi.width = width;
+  bi.height = height;
 
-  bo->format = info.drm_fourcc;
+  bi.format = info.drm_fourcc;
 
   for (int i = 0; i < info.num_fds; i++) {
-    bo->modifiers[i] = info.modifier;
-    bo->prime_fds[i] = info.fds[i];
-    bo->pitches[i] = info.stride[i];
-    bo->offsets[i] = info.offset[i];
+    bi.modifiers[i] = info.modifier;
+    bi.prime_fds[i] = info.fds[i];
+    bi.pitches[i] = info.stride[i];
+    bi.offsets[i] = info.offset[i];
   }
 
-  return 0;
+  return bi;
 }
 
 constexpr char cros_gralloc_module_name[] = "CrOS Gralloc";
diff --git a/bufferinfo/legacy/BufferInfoMinigbm.h b/bufferinfo/legacy/BufferInfoMinigbm.h
index 16cbf2c..40d9926 100644
--- a/bufferinfo/legacy/BufferInfoMinigbm.h
+++ b/bufferinfo/legacy/BufferInfoMinigbm.h
@@ -26,7 +26,7 @@
 class BufferInfoMinigbm : public LegacyBufferInfoGetter {
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
-  int ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) override;
+  auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
   int ValidateGralloc() override;
 };