efi_loader: fix efi_convert_device_path_to_text()
Ensure that the string we convert to UTF-16 is NUL terminated even
if the device path only contains end nodes.
Fixes: bd3d75bb0c58 ("efi_loader: multi part device paths to text")
Addresses-Coverity: 350434 ("Uninitialized scalar variable")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c
index 4d73954..6c428ee 100644
--- a/lib/efi_loader/efi_device_path_to_text.c
+++ b/lib/efi_loader/efi_device_path_to_text.c
@@ -432,6 +432,7 @@
*(u8 **)&device_path += device_path->length;
}
+ *str = 0;
text = efi_str_to_u16(buffer);
out: