bootm: Skip command-line substitution if !CONFIG_CMDLINE

When there is no command line, we cannot enable this feature. Add a check
to avoid a build error.

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

diff --git a/common/bootm.c b/common/bootm.c
index dab7c3619fdc6a51d86f2d949e755a41e51e3a9e..ea71522d0c9b1832c3c4ba0202b4b93d0364603f 100644 (file)
--- a/common/bootm.c
+++ b/common/bootm.c
@@ -583,7 +583,8 @@ int bootm_process_cmdline(char *buf, int maxlen, int flags)
                if (ret)
                        return log_msg_ret("silent", ret);
        }
-       if (IS_ENABLED(CONFIG_BOOTARGS_SUBST) && (flags & BOOTM_CL_SUBST)) {
+       if (IS_ENABLED(CONFIG_BOOTARGS_SUBST) && IS_ENABLED(CONFIG_CMDLINE) &&
+           (flags & BOOTM_CL_SUBST)) {
                ret = process_subst(buf, maxlen);
                if (ret)
                        return log_msg_ret("subst", ret);