Commit ffb6ca33 authored Jul 08, 2016 by Frank Sorenson Committed by Trond Myklebust Jul 19, 2016

sunrpc: Prevent resvport min/max inversion via sysfs and module parameter



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 sysfs and
module parameter 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>

parent e08ea3a9

net/sunrpc/xprtsock.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -3153,8 +3153,12 @@ static int param_set_uint_minmax(const char *val,

		static int param_set_portnr(const char val, const struct kernel_param kp)
		{
		if (kp->arg == &xprt_min_resvport)
		return param_set_uint_minmax(val, kp,
		RPC_MIN_RESVPORT,
		xprt_max_resvport);
		return param_set_uint_minmax(val, kp,
		xprt_min_resvport,
		RPC_MAX_RESVPORT);
		}