Hi,
> be32_to_cpu(initial_boot_params->totalsize);
Ouch, thanks Grant.
Anton
--
We feed the entire DMI table into the random pool to provide
better random data during early boot, so do the same with the
flattened device tree.
Signed-off-by: Anton Blanchard <an...@samba.org>
---
v3: Fix endian issues as noted by Grant
Index: b/drivers/of/fdt.c
===================================================================
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -17,6 +17,7 @@
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/slab.h>
+#include <linux/random.h>
#include <asm/setup.h> /* for COMMAND_LINE_SIZE */
#ifdef CONFIG_PPC
@@ -714,3 +715,14 @@ void __init unflatten_device_tree(void)
}
#endif /* CONFIG_OF_EARLY_FLATTREE */
+
+/* Feed entire flattened device tree into the random pool */
+static int __init add_fdt_randomness(void)
+{
+ if (initial_boot_params)
+ add_device_randomness(initial_boot_params,
+ be32_to_cpu(initial_boot_params->totalsize));
+
+ return 0;
+}
+core_initcall(add_fdt_randomness);
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