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>
This commit is contained in:
Frank Sorenson 2016-07-08 16:35:24 -05:00 коммит произвёл Trond Myklebust
Родитель 5d71899a26
Коммит e08ea3a96f
1 изменённых файлов: 2 добавлений и 2 удалений

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@ -124,7 +124,7 @@ static struct ctl_table xs_tunables_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = &xprt_min_resvport_limit,
.extra2 = &xprt_max_resvport_limit
.extra2 = &xprt_max_resvport
},
{
.procname = "max_resvport",
@ -132,7 +132,7 @@ static struct ctl_table xs_tunables_table[] = {
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = &xprt_min_resvport_limit,
.extra1 = &xprt_min_resvport,
.extra2 = &xprt_max_resvport_limit
},
{