bootconfig: Load size and checksum in the footer as le32

Load the size and the checksum fields in the footer as le32
instead of u32. This will allow us to apply bootconfig to the
cross build initrd without caring the endianness.

Link: https://lkml.kernel.org/r/160583934457.547349.10504070298990791074.stgit@devnote2
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
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 20baced..32b2a8a 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -288,8 +288,8 @@ static void * __init get_boot_config_from_initrd(u32 *_size, u32 *_csum)
 
 found:
        hdr = (u32 *)(data - 8);
-       size = hdr[0];
-       csum = hdr[1];
+       size = le32_to_cpu(hdr[0]);
+       csum = le32_to_cpu(hdr[1]);
 
        data = ((void *)hdr) - size;
        if ((unsigned long)data < initrd_start) {