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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-06 14:23:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-06 14:23:39 +0200 |
| commit | 68083e05d72d94f347293d8cc0067050ba904bfa (patch) | |
| tree | 842e71365bd90866be7add181661a4039d891564 /include/net/addrconf.h | |
| parent | 7baac8b91f9871ba8cb09af84de4ae1d86d07812 (diff) | |
| parent | b7279469d66b55119784b8b9529c99c1955fe747 (diff) | |
| download | kernel_samsung_aries-68083e05d72d94f347293d8cc0067050ba904bfa.zip kernel_samsung_aries-68083e05d72d94f347293d8cc0067050ba904bfa.tar.gz kernel_samsung_aries-68083e05d72d94f347293d8cc0067050ba904bfa.tar.bz2 | |
Merge commit 'v2.6.26-rc9' into cpus4096
Diffstat (limited to 'include/net/addrconf.h')
| -rw-r--r-- | include/net/addrconf.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 0a2f037..bbd3d58 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -94,6 +94,28 @@ extern void addrconf_join_solict(struct net_device *dev, extern void addrconf_leave_solict(struct inet6_dev *idev, struct in6_addr *addr); +static inline unsigned long addrconf_timeout_fixup(u32 timeout, + unsigned unit) +{ + if (timeout == 0xffffffff) + return ~0UL; + + /* + * Avoid arithmetic overflow. + * Assuming unit is constant and non-zero, this "if" statement + * will go away on 64bit archs. + */ + if (0xfffffffe > LONG_MAX / unit && timeout > LONG_MAX / unit) + return LONG_MAX / unit; + + return timeout; +} + +static inline int addrconf_finite_timeout(unsigned long timeout) +{ + return ~timeout; +} + /* * IPv6 Address Label subsystem (addrlabel.c) */ |