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Date:      Thu, 6 Mar 2014 11:14:36 +0000 (UTC)
From:      Edward Tomasz Napierala <trasz@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r262845 - stable/10/usr.sbin/iscsid
Message-ID:  <201403061114.s26BEa3G051564@svn.freebsd.org>
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Author: trasz
Date: Thu Mar  6 11:14:36 2014
New Revision: 262845
URL: http://svnweb.freebsd.org/changeset/base/262845

Log:
  MFC r261747:
  
  Empty data segment during Login Phase is rather unlikely, but it's not
  a protocol error.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  stable/10/usr.sbin/iscsid/discovery.c
  stable/10/usr.sbin/iscsid/keys.c
  stable/10/usr.sbin/iscsid/login.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/usr.sbin/iscsid/discovery.c
==============================================================================
--- stable/10/usr.sbin/iscsid/discovery.c	Thu Mar  6 11:13:26 2014	(r262844)
+++ stable/10/usr.sbin/iscsid/discovery.c	Thu Mar  6 11:14:36 2014	(r262845)
@@ -62,8 +62,6 @@ text_receive(struct connection *conn)
 	 */
 	if ((bhstr->bhstr_flags & BHSTR_FLAGS_CONTINUE) != 0)
 		log_errx(1, "received Text PDU with unsupported \"C\" flag");
-	if (response->pdu_data_len == 0)
-		log_errx(1, "received Text PDU with empty data segment");
 	if (ntohl(bhstr->bhstr_statsn) != conn->conn_statsn + 1) {
 		log_errx(1, "received Text PDU with wrong StatSN: "
 		    "is %d, should be %d", ntohl(bhstr->bhstr_statsn),

Modified: stable/10/usr.sbin/iscsid/keys.c
==============================================================================
--- stable/10/usr.sbin/iscsid/keys.c	Thu Mar  6 11:13:26 2014	(r262844)
+++ stable/10/usr.sbin/iscsid/keys.c	Thu Mar  6 11:14:36 2014	(r262845)
@@ -65,7 +65,7 @@ keys_load(struct keys *keys, const struc
 	size_t pair_len;
 
 	if (pdu->pdu_data_len == 0)
-		log_errx(1, "protocol error: empty data segment");
+		return;
 
 	if (pdu->pdu_data[pdu->pdu_data_len - 1] != '\0')
 		log_errx(1, "protocol error: key not NULL-terminated\n");

Modified: stable/10/usr.sbin/iscsid/login.c
==============================================================================
--- stable/10/usr.sbin/iscsid/login.c	Thu Mar  6 11:13:26 2014	(r262844)
+++ stable/10/usr.sbin/iscsid/login.c	Thu Mar  6 11:14:36 2014	(r262845)
@@ -189,10 +189,6 @@ login_receive(struct connection *conn, b
 		fail(conn, errorstr);
 		log_errx(1, "target returned error: %s", errorstr);
 	}
-#if 0
-	if (response->pdu_data_len == 0)
-		log_errx(1, "received Login PDU with empty data segment");
-#endif
 	if (initial == false &&
 	    ntohl(bhslr->bhslr_statsn) != conn->conn_statsn + 1) {
 		/*

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