sunrpc: Prevent resvport min/max inversion via sysctl
The current min/max resvport settings are independently limited by the entire range of allowed ports, so max_resvport can be set to a port lower than min_resvport. Prevent inversion of min/max values when set through sysctl by setting the limits dependent on each other. Signed-off-by: Frank Sorenson <sorenson@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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@ -124,7 +124,7 @@ static struct ctl_table xs_tunables_table[] = {
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.mode = 0644,
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.proc_handler = proc_dointvec_minmax,
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.extra1 = &xprt_min_resvport_limit,
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.extra2 = &xprt_max_resvport_limit
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.extra2 = &xprt_max_resvport
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},
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{
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.procname = "max_resvport",
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@ -132,7 +132,7 @@ static struct ctl_table xs_tunables_table[] = {
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.maxlen = sizeof(unsigned int),
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.mode = 0644,
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.proc_handler = proc_dointvec_minmax,
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.extra1 = &xprt_min_resvport_limit,
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.extra1 = &xprt_min_resvport,
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.extra2 = &xprt_max_resvport_limit
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},
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{
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