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efi_loader: adjust file system info

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When the GetInfo() method of the EFI_FILE_PROTOCOL is called to retrieve
the file system info we claim that the volume is read only and has no free
space. This leads to failures in programs that check this information
before writing to the volume like SCT's InstallSct.efi.

Currently there is no function to determine these parameters in U-Boot. So
let's return optimistic values:

Return that the volume is writable.

Return the volume size as free space.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-12-08 10:02:37 +01:00
parent 8876e1bc88
commit 570147275c
1 changed files with 9 additions and 2 deletions

11
lib/efi_loader/efi_file.c
View file

@ -656,9 +656,16 @@ static efi_status_t EFIAPI efi_file_getinfo(struct efi_file_handle *file,
memset(info, 0, required_size);
info->size = required_size;
info->read_only = true;
/*
* TODO: We cannot determine if the volume can be written to.
*/
info->read_only = false;
info->volume_size = part.size * part.blksz;
info->free_space = 0;
/*
* TODO: We currently have no function to determine the free
* space. The volume size is the best upper bound we have.
*/
info->free_space = info->volume_size;
info->block_size = part.blksz;
/*
* TODO: The volume label is not available in U-Boot.