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| author | Joe Perches <joe@perches.com> | 2007-02-22 01:26:32 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-02-26 11:43:00 -0800 |
| commit | 4c3ae4d7e727eac6f6eb23587cef0413734d4ae1 (patch) | |
| tree | 9ab908c6b7bf0120a407d9343b15db939d489476 /net/ipv4/multipath_random.c | |
| parent | 269def7c505b4d229f9ad49bf88543d1e605533e (diff) | |
| download | kernel_samsung_smdk4412-4c3ae4d7e727eac6f6eb23587cef0413734d4ae1.zip kernel_samsung_smdk4412-4c3ae4d7e727eac6f6eb23587cef0413734d4ae1.tar.gz kernel_samsung_smdk4412-4c3ae4d7e727eac6f6eb23587cef0413734d4ae1.tar.bz2 | |
[IPV4]: Use random32() in net/ipv4/multipath
Removed local random number generator function
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/multipath_random.c')
| -rw-r--r-- | net/ipv4/multipath_random.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/net/ipv4/multipath_random.c b/net/ipv4/multipath_random.c index 57f4814..c312785 100644 --- a/net/ipv4/multipath_random.c +++ b/net/ipv4/multipath_random.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> @@ -48,21 +49,6 @@ #define MULTIPATH_MAX_CANDIDATES 40 -/* 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 void random_select_route(const struct flowi *flp, struct rtable *first, struct rtable **rp) @@ -84,7 +70,7 @@ static void random_select_route(const struct flowi *flp, if (candidate_count > 1) { unsigned char i = 0; unsigned char candidate_no = (unsigned char) - random(candidate_count); + (random32() % candidate_count); /* find chosen candidate and adjust GC data for all candidates * to ensure they stay in cache |