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authorXi Wang <xi.wang@gmail.com>2011-12-16 16:44:15 +0400
committerDavid S. Miller <davem@davemloft.net>2011-12-20 01:25:46 +0400
commit2692ba61a82203404abd7dd2a027bda962861f74 (patch)
treee39f21131faf42ada263c1969cfa200af2f4b0f9 /include/net/sch_generic.h
parent2ca6cf06d988fea21e812a86be79353352677c9c (diff)
downloadlinux-2692ba61a82203404abd7dd2a027bda962861f74.tar.xz
sctp: fix incorrect overflow check on autoclose
Commit 8ffd3208 voids the previous patches f6778aab and 810c0719 for limiting the autoclose value. If userspace passes in -1 on 32-bit platform, the overflow check didn't work and autoclose would be set to 0xffffffff. This patch defines a max_autoclose (in seconds) for limiting the value and exposes it through sysctl, with the following intentions. 1) Avoid overflowing autoclose * HZ. 2) Keep the default autoclose bound consistent across 32- and 64-bit platforms (INT_MAX / HZ in this patch). 3) Keep the autoclose value consistent between setsockopt() and getsockopt() calls. Suggested-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sch_generic.h')
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