add REDIRECT

hc

2024-10-09 05e59e5fb0064c97a1c10921ecd549f2d4a58565

 kernel/drivers/target/iscsi/iscsi_target_nego.c
..
..
@@ -1079,6 +1079,7 @@
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 	iscsi_target_set_sock_callbacks(conn);
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 	login->np = np;
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+	conn->tpg = NULL;
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 	login_req = (struct iscsi_login_req *) login->req;
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 	payload_length = ntoh24(login_req->dlength);
..
..
@@ -1148,7 +1149,6 @@
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 	 */
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 	sessiontype = strncmp(s_buf, DISCOVERY, 9);
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 	if (!sessiontype) {
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-		conn->tpg = iscsit_global->discovery_tpg;
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 		if (!login->leading_connection)
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 			goto get_target;
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..
..
@@ -1165,9 +1165,11 @@
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 		 * Serialize access across the discovery struct iscsi_portal_group to
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 		 * process login attempt.
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 		 */
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+		conn->tpg = iscsit_global->discovery_tpg;
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 		if (iscsit_access_np(np, conn->tpg) < 0) {
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 			iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
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 				ISCSI_LOGIN_STATUS_SVC_UNAVAILABLE);
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+			conn->tpg = NULL;
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 			ret = -1;
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 			goto out;
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 		}