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edk2/SOURCES/edk2-MdeModulePkg-Warn-if-o...

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From 880c1ca7420b873c5f81563b122d7bd1ebad72cb Mon Sep 17 00:00:00 2001
From: Oliver Steffen <osteffen@redhat.com>
Date: Mon, 4 Mar 2024 15:32:58 +0100
Subject: [PATCH] MdeModulePkg: Warn if out of flash space when writing
variables
RH-Author: Oliver Steffen <osteffen@redhat.com>
RH-MergeRequest: 64: MdeModulePkg: Warn if out of flash space when writing variables
RH-Jira: RHEL-43442
RH-Acked-by: Gerd Hoffmann <None>
RH-Commit: [1/1] b65130800090192f47f13d67ff14f902a4f5bfb5 (osteffen/edk2)
Emit a DEBUG_WARN message if there is not enough flash space left to
write/update a variable. This condition is currently not logged
appropriately in all cases, given that full variable store can easily
render the system unbootable.
This new message helps identifying this condition.
Signed-off-by: Oliver Steffen <osteffen@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 80b59ff8320d1bd134bf689fe9c0ddf4e0473b88)
Signed-off-by: Oliver Steffen <osteffen@redhat.com>
---
MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
index d394d237a5..1c7659031d 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -2364,6 +2364,8 @@ Done:
);
ASSERT_EFI_ERROR (Status);
}
+ } else if (Status == EFI_OUT_OF_RESOURCES) {
+ DEBUG ((DEBUG_WARN, "UpdateVariable failed: Out of flash space\n"));
}
return Status;
--
2.39.3