Hello,
I am trying to delete a file on the system partition from an UEFI app using
the Delete function within EFI_FILE_PROTOCOL, but it is returning with
a EFI_WARN_DELETE_FAILURE.
I can read the file without any problem, but delete doesn't seem to work.
Any ideas?
Here is the code:
// get the handle for EFI Simple File System protocol
status = gBS->LocateDevicePath (
&gEfiSimpleFileSystemProtocolGuid,
&ourDevicePath,
&handle
);
if (status != EFI_SUCCESS) {
return (status);
}
// get the pointer for the volume
status = gBS->HandleProtocol (
handle,
&gEfiSimpleFileSystemProtocolGuid,
&volume
);
if (status != EFI_SUCCESS) {
return (status);
}
// Open the root directory of the volume
root = NULL;
status = volume->OpenVolume (
volume,
&root
);
if ((status != EFI_SUCCESS) || (root == NULL)) {
return (status);
}
// Open file.txt file
status = root->Open (
root,
file,
L"\\EFI\\BOOT\\FILE.TXT",
EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE |
EFI_FILE_MODE_CREATE,
0
);
if (status != EFI_SUCCESS) {
return (status);
}
// Delete the file
status = (*file)->Delete (*file);
if (status != EFI_SUCCESS) {
Print (L"Deletion failed, status = %d.\n",
status);
return (status);
}
Thanks.
Kashif...
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