bootstd: Avoid calling unavailable block functions

When BLK is not enabled but BOOTSTD is, some features of standard boot
become unavailable. Add a check for this in the only site that is
currently apparent.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/boot/bootdev-uclass.c b/boot/bootdev-uclass.c
index 807f8dfb0649e8f39fc57171597c16ecf25ab0fc..64ec4fde493f4cfaa12d610beaf1ebdba644242e 100644 (file)
--- a/boot/bootdev-uclass.c
+++ b/boot/bootdev-uclass.c
@@ -434,6 +434,9 @@ int bootdev_find_by_label(const char *label, struct udevice **devp,
        struct uclass *uc;
        enum uclass_id id;
 
+       if (!CONFIG_IS_ENABLED(BLK))
+               return -ENOSYS;
+
        ret = label_to_uclass(label, &seq, &method_flags);
        if (ret < 0)
                return log_msg_ret("uc", ret);