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>
git-mirror · Nov 30, 2010 · 578914c · 578914c
1 parent 3667330
commit 578914c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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;