net: fix length computation in rt_check_expire()
authorEric Dumazet <dada1@cosmosbay.com>
Tue, 19 May 2009 18:54:22 +0000 (18:54 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 21 May 2009 00:18:01 +0000 (17:18 -0700)
commitcf8da764fc6959b7efb482f375dfef9830e98205
tree701e4c42f6563cdb50153485015f0c4b439294ec
parentbc8a5397433e4effbaddfa7e462d10b3c060cabb
net: fix length computation in rt_check_expire()

rt_check_expire() computes average and standard deviation of chain lengths,
but not correclty reset length to 0 at beginning of each chain.
This probably gives overflows for sum2 (and sum) on loaded machines instead
of meaningful results.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/route.c