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Diffstat (limited to 'net/ipv4/multipath_wrandom.c')
-rw-r--r--net/ipv4/multipath_wrandom.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/net/ipv4/multipath_wrandom.c b/net/ipv4/multipath_wrandom.c
index 2bdbb92b450a..57c503694539 100644
--- a/net/ipv4/multipath_wrandom.c
+++ b/net/ipv4/multipath_wrandom.c
@@ -32,6 +32,7 @@
#include <linux/module.h>
#include <linux/mroute.h>
#include <linux/init.h>
+#include <linux/random.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <linux/skbuff.h>
@@ -84,18 +85,6 @@ struct multipath_route {
/* state: primarily weight per route information */
static struct multipath_bucket state[MULTIPATH_STATE_SIZE];
-/* interface to random number generation */
-static unsigned int RANDOM_SEED = 93186752;
-
-static inline unsigned int random(unsigned int ubound)
-{
- static unsigned int a = 1588635695,
- q = 2,
- r = 1117695901;
- RANDOM_SEED = a*(RANDOM_SEED % q) - r*(RANDOM_SEED / q);
- return RANDOM_SEED % ubound;
-}
-
static unsigned char __multipath_lookup_weight(const struct flowi *fl,
const struct rtable *rt)
{
@@ -193,7 +182,7 @@ static void wrandom_select_route(const struct flowi *flp,
/* choose a weighted random candidate */
decision = first;
- selector = random(power);
+ selector = random32() % power;
last_power = 0;
/* select candidate, adjust GC data and cleanup local state */