On 10/14/19 5:03 PM, Pete Batard wrote:
Similar to what we now do for OVMF, we need to consider the possibility
that PlatformBootManagerWaitCallback () may be called with a
PcdPlatformBootTimeOut that was set to zero, in which case the call should
simply return.

Oh I forgot this one, good catch.

We also change the initial timeout variable name to make the code explicit.

Signed-off-by: Pete Batard <p...@akeo.ie>
Reviewed-by: Laszlo Ersek <ler...@redhat.com>
---
  ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c | 14 +++++++++++---
  1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c 
b/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
index 30c015eec5b0..5f6cfe64daca 100644
--- a/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
+++ b/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
@@ -842,9 +842,17 @@ PlatformBootManagerWaitCallback (
  {
    EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Black;
    EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION White;
-  UINT16                              Timeout;
+  UINT16                              TimeoutInitial;
- Timeout = PcdGet16 (PcdPlatformBootTimeOut);
+  TimeoutInitial = PcdGet16 (PcdPlatformBootTimeOut);
+
+  //
+  // If PcdPlatformBootTimeOut is set to zero, then we consider
+  // that no progress update should be enacted.
+  //
+  if (TimeoutInitial == 0) {
+    return;
+  }
Black.Raw = 0x00000000;
    White.Raw = 0x00FFFFFF;
@@ -854,7 +862,7 @@ PlatformBootManagerWaitCallback (
      Black.Pixel,
      L"Start boot option",
      White.Pixel,
-    (Timeout - TimeoutRemain) * 100 / Timeout,
+    (TimeoutInitial - TimeoutRemain) * 100 / TimeoutInitial,
      0
      );
  }


Reviewed-by: Philippe Mathieu-Daude <phi...@redhat.com>

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