From 823c233b7ab95169ea4428b2821b72b8887b47b0 Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sat, 9 Feb 2019 22:23:48 +0100
Subject: [PATCH] efi_loader: fix EFI_FILE_PROTOCOL.GetInfo()
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>
---
lib/efi_loader/efi_file.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/efi_loader/efi_file.c b/lib/efi_loader/efi_file.c
index 9d709a8db0..4b4422205d 100644
--- a/lib/efi_loader/efi_file.c
+++ b/lib/efi_loader/efi_file.c
@@ -200,6 +200,10 @@ static struct efi_file_handle *file_open(struct file_system *fs,
fs_exists(fh->path)))
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: */
fh->isdir = is_dir(fh);
} else {
--
2.39.5