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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Wed, 13 Apr 2011 00:03:49 +0000 (UTC)
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Subject: svn commit: r220585 - head/sys/rpc
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Author: rmacklem
Date: Wed Apr 13 00:03:49 2011
New Revision: 220585
URL: http://svn.freebsd.org/changeset/base/220585

Log:
  Fix a couple of mbuf leaks introduced by r217242. I do
  not believe that these leaks had a practical impact,
  since the situations in which they would have occurred
  would have been extremely rare.
  
  MFC after:	2 weeks

Modified:
  head/sys/rpc/clnt_dg.c
  head/sys/rpc/clnt_vc.c

Modified: head/sys/rpc/clnt_dg.c
==============================================================================
--- head/sys/rpc/clnt_dg.c	Tue Apr 12 23:49:07 2011	(r220584)
+++ head/sys/rpc/clnt_dg.c	Wed Apr 13 00:03:49 2011	(r220585)
@@ -1086,11 +1086,13 @@ clnt_dg_soupcall(struct socket *so, void
 		/*
 		 * The XID is in the first uint32_t of the reply.
 		 */
-		if (m->m_len < sizeof(xid) && m_length(m, NULL) < sizeof(xid))
+		if (m->m_len < sizeof(xid) && m_length(m, NULL) < sizeof(xid)) {
 			/*
 			 * Should never happen.
 			 */
+			m_freem(m);
 			continue;
+		}
 
 		m_copydata(m, 0, sizeof(xid), (char *)&xid);
 		xid = ntohl(xid);

Modified: head/sys/rpc/clnt_vc.c
==============================================================================
--- head/sys/rpc/clnt_vc.c	Tue Apr 12 23:49:07 2011	(r220584)
+++ head/sys/rpc/clnt_vc.c	Wed Apr 13 00:03:49 2011	(r220585)
@@ -973,8 +973,11 @@ clnt_vc_soupcall(struct socket *so, void
 				 * the reply.
 				 */
 				if (ct->ct_record->m_len < sizeof(xid) &&
-				    m_length(ct->ct_record, NULL) < sizeof(xid))
+				    m_length(ct->ct_record, NULL) <
+				    sizeof(xid)) {
+					m_freem(ct->ct_record);
 					break;
+				}
 				m_copydata(ct->ct_record, 0, sizeof(xid),
 				    (char *)&xid);
 				xid = ntohl(xid);