From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 29 Jul 2010 07:21:17 +0000 (+1000)
Subject: powerpc/nvram: Ensure that the partition header/block size is right
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=578914cffc283b907777796420148d582072cbae;p=linux-beck.git

powerpc/nvram: Ensure that the partition header/block size is right

Use BUILD_BUG_ON to ensure the structure representing a partition
header have the right size.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index a5a5587121a7..f7538820c03d 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -565,6 +565,8 @@ static int __init nvram_init(void)
 	int error;
 	int rc;
 	
+	BUILD_BUG_ON(NVRAM_BLOCK_LEN != 16);
+
 	if (ppc_md.nvram_size == NULL || ppc_md.nvram_size() <= 0)
 		return  -ENODEV;