[xen staging] xen/efi: Drop stale #undef buffer

[patchbot@xxxxxxx]

commit 136387f70f6ffc9e0abad8a97fcfd2322be15791
Author:     Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
AuthorDate: Tue Jun 24 14:56:58 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Jun 24 14:56:58 2025 +0200

    xen/efi: Drop stale #undef buffer
    
    The "buffer" macro was removed when keyhandler_scratch was removed.
    
    Fixes: 59e087bf6a9c ("xen/keyhandler: Drop keyhandler_scratch")
    Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
    Acked-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
---
 xen/common/efi/boot.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/xen/common/efi/boot.c b/xen/common/efi/boot.c
index ded7cc129d..1a9b4e7dae 100644
--- a/xen/common/efi/boot.c
+++ b/xen/common/efi/boot.c
@@ -513,7 +513,6 @@ static EFI_FILE_HANDLE __init get_parent_handle(const 
EFI_LOADED_IMAGE *loaded_i
     else
         *leaf = buffer;
 #undef BUFFERSIZE
-#undef buffer
 
     return dir_handle;
 }
--
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