D10022.id26463.diff
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	Index: lib/libkvm/kvm.c
	===================================================================
	--- lib/libkvm/kvm.c
	+++ lib/libkvm/kvm.c
	@@ -69,6 +69,9 @@
	char *
	kvm_geterr(kvm_t *kd)
	{
	+
	+ if (kd == NULL)
	+ return ("");
	return (kd->errbuf);
	}

	Index: lib/libkvm/kvm_geterr.3
	===================================================================
	--- lib/libkvm/kvm_geterr.3
	+++ lib/libkvm/kvm_geterr.3
	@@ -32,7 +32,7 @@
	.\" @(#)kvm_geterr.3 8.1 (Berkeley) 6/4/93
	.\" $FreeBSD$
	.\"
	-.Dd June 4, 1993
	+.Dd March 15, 2017
	.Dt KVM_GETERR 3
	.Os
	.Sh NAME
	@@ -54,6 +54,15 @@
	The string returned is stored in memory owned by
	.Xr kvm 3
	so the message should be copied out and saved elsewhere if necessary.
	+.Sh RETURN VALUES
	+The function
	+.Fn kvm_geterr
	+will return "" if
	+.Fa kd
	+is
	+.Dv NULL
	+or an error has not been captured for
	+.Fa kd .
	.Sh SEE ALSO
	.Xr kvm 3 ,
	.Xr kvm_close 3 ,