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pad uefi fat file length #180

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Aug 22, 2021
Merged

pad uefi fat file length #180

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4 changes: 2 additions & 2 deletions src/bin/builder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -252,9 +252,9 @@ fn create_uefi_disk_image(executable_path: &Path, efi_file: &Path) -> anyhow::Re
.truncate(true)
.open(&fat_path)
.context("Failed to create UEFI FAT file")?;
let efi_size_rounded = ((efi_size - 1) / MB + 1) * MB;
let efi_size_padded_and_rounded = ((efi_size + 1024 * 64 - 1) / MB + 1) * MB;
fat_file
.set_len(efi_size_rounded)
.set_len(efi_size_padded_and_rounded)
.context("failed to set UEFI FAT file length")?;

// create new FAT partition
Expand Down