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Diffstat (limited to 'lib/efi_loader/efi_disk.c')
-rw-r--r--lib/efi_loader/efi_disk.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c
index 1f6b817dea..307d5d759b 100644
--- a/lib/efi_loader/efi_disk.c
+++ b/lib/efi_loader/efi_disk.c
@@ -148,7 +148,7 @@ static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this,
(uintptr_t)buffer & (this->media->io_align - 1))
return EFI_INVALID_PARAMETER;
if (lba * this->media->block_size + buffer_size >
- this->media->last_block * this->media->block_size)
+ (this->media->last_block + 1) * this->media->block_size)
return EFI_INVALID_PARAMETER;
#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER
@@ -216,7 +216,7 @@ static efi_status_t EFIAPI efi_disk_write_blocks(struct efi_block_io *this,
(uintptr_t)buffer & (this->media->io_align - 1))
return EFI_INVALID_PARAMETER;
if (lba * this->media->block_size + buffer_size >
- this->media->last_block * this->media->block_size)
+ (this->media->last_block + 1) * this->media->block_size)
return EFI_INVALID_PARAMETER;
#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER