bootconfig: Fix to prevent warning message if no bootconfig option

Commit de462e5f1071 ("bootconfig: Fix to remove bootconfig
data from initrd while boot") causes a cosmetic regression
on dmesg, which warns "no bootconfig data" message without
bootconfig cmdline option.

Fix setup_boot_config() by moving no bootconfig check after
commandline option check.

Link: http://lkml.kernel.org/r/9b1ba335-071d-c983-89a4-2677b522dcc8@molgen.mpg.de
Link: http://lkml.kernel.org/r/158916116468.21787.14558782332170588206.stgit@devnote2
Fixes: de462e5f1071 ("bootconfig: Fix to remove bootconfig data from initrd while boot")
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

diff --git a/init/main.c b/init/main.c
index 1a5da2c..5803ecb 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -400,9 +400,8 @@ static void __init setup_boot_config(const char *cmdline)
        char *data, *copy;
        int ret;
 
+       /* Cut out the bootconfig data even if we have no bootconfig option */
        data = get_boot_config_from_initrd(&size, &csum);
-       if (!data)
-               goto not_found;
 
        strlcpy(tmp_cmdline, boot_command_line, COMMAND_LINE_SIZE);
        parse_args("bootconfig", tmp_cmdline, NULL, 0, 0, 0, NULL,
@@ -411,6 +410,11 @@ static void __init setup_boot_config(const char *cmdline)
        if (!bootconfig_found)
                return;
 
+       if (!data) {
+               pr_err("'bootconfig' found on command line, but no bootconfig found\n");
+               return;
+       }
+
        if (size >= XBC_DATA_MAX) {
                pr_err("bootconfig size %d greater than max size %d\n",
                        size, XBC_DATA_MAX);
@@ -446,8 +450,6 @@ static void __init setup_boot_config(const char *cmdline)
                extra_init_args = xbc_make_cmdline("init");
        }
        return;
-not_found:
-       pr_err("'bootconfig' found on command line, but no bootconfig found\n");
 }
 
 #else