We'll need to add some fields to it in later work.
---
drivers/char/random.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/char/random.c b/drivers/char/random.c
index fdbf7b6..113508e 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1624,7 +1624,10 @@ EXPORT_SYMBOL(secure_dccp_sequence_number);
* value is not strongly cryptographically secure, but for several uses the
* cost of depleting entropy is too high.
*/
-DEFINE_PER_CPU(__u32 [4], get_random_int_hash);
+struct cpu_random {
+ u32 hash[4];
+};
+DEFINE_PER_CPU(struct cpu_random, get_random_int_data);
static u32 __get_random_int(u32 *hash)
{
struct keydata const *keyptr = get_keyptr();
@@ -1640,10 +1643,10 @@ static u32 __get_random_int(u32 *hash)
unsigned int get_random_int(void)
{
- u32 *hash = get_cpu_var(get_random_int_hash);
- u32 ret = __get_random_int(hash);
+ struct cpu_random *r = &get_cpu_var(get_random_int_data);
+ u32 ret = __get_random_int(r->hash);
- put_cpu_var(get_random_int_hash);
+ put_cpu_var(r);
return ret;
}
--
1.7.4.1
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