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authorPetr Pavlu <petr.pavlu@suse.com>2024-06-07 13:28:28 +0200
committerJakub Kicinski <kuba@kernel.org>2024-06-12 17:51:35 -0700
commit14a20e5b4ad998793c5f43b0330d9e1388446cf3 (patch)
tree83551b4724edbbcfe688e58c4c94264f8aa0a282 /lib
parentd92589f8fd551b8e362d7ac09317e01717e1636d (diff)
net/ipv6: Fix the RT cache flush via sysctl using a previous delay
The net.ipv6.route.flush system parameter takes a value which specifies a delay used during the flush operation for aging exception routes. The written value is however not used in the currently requested flush and instead utilized only in the next one. A problem is that ipv6_sysctl_rtcache_flush() first reads the old value of net->ipv6.sysctl.flush_delay into a local delay variable and then calls proc_dointvec() which actually updates the sysctl based on the provided input. Fix the problem by switching the order of the two operations. Fixes: 4990509f19e8 ("[NETNS][IPV6]: Make sysctls route per namespace.") Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20240607112828.30285-1-petr.pavlu@suse.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'lib')
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