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efi_loader: fix EFI_FILE_PROTOCOL.GetInfo()

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We check the existence of files with fs_exist(). This function calls
fs_close(). If we do not set the active block device again fs_opendir()
fails and we do not set the flag EFI_FILE_DIRECTORY. Due to this error the
`cd` command in the EFI shell fails.

So let's add the missing set_blk_dev(fh) call.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2019-02-09 22:23:48 +01:00 committed by Alexander Graf
parent 0e66c10a7d
commit 823c233b7a
1 changed files with 4 additions and 0 deletions
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4
lib/efi_loader/efi_file.c
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@ -200,6 +200,10 @@ static struct efi_file_handle *file_open(struct file_system *fs,
fs_exists(fh->path))) fs_exists(fh->path)))
goto error; goto error;
/* fs_exists() calls fs_close(), so open file system again */
if (set_blk_dev(fh))
goto error;
/* figure out if file is a directory: */ /* figure out if file is a directory: */
fh->isdir = is_dir(fh); fh->isdir = is_dir(fh);
} else { } else {