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authorLi Wei <lw@cn.fujitsu.com>2012-07-29 18:01:30 +0200
committerDavid S. Miller <davem@davemloft.net>2012-07-30 08:18:31 +0200
commit8253947e2cdfb14717c9212b751b7aec9ea9ef5e (patch)
tree9089fdfff63ec45eec1cd49d74ca53b3a4096226 /drivers/cpuidle/cpuidle.h
parentmISDN: Bugfix only few bytes are transfered on a connection (diff)
downloadlinux-8253947e2cdfb14717c9212b751b7aec9ea9ef5e.tar.xz
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ipv6: fix incorrect route 'expires' value passed to userspace
When userspace use RTM_GETROUTE to dump route table, with an already expired route entry, we always got an 'expires' value(2147157) calculated base on INT_MAX. The reason of this problem is in the following satement: rt->dst.expires - jiffies < INT_MAX gcc promoted the type of both sides of '<' to unsigned long, thus a small negative value would be considered greater than INT_MAX. With the help of Eric Dumazet, do the out of bound checks in rtnl_put_cacheinfo(), _after_ conversion to clock_t. Signed-off-by: Li Wei <lw@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/cpuidle/cpuidle.h')
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