Merge from mysql-5.1-security to mysql-5.5-security.

mysql-test/t/disabled.def

@@ -13,7 +13,6 @@ kill                     : Bug#37780 2008-12-03 HHunger need some changes to be
 lowercase_table3         : Bug#54845 2010-06-30 alik main.lowercase_table3 on Mac OSX
 mysqlhotcopy_myisam      : Bug#54129 2010-08-31 alik mysqlhotcopy* fails
 mysqlhotcopy_archive     : Bug#54129 2010-08-31 alik mysqlhotcopy* fails
-partition_innodb_plugin  : Bug#53307 2010-04-30 VasilDimov valgrind warnings
 query_cache_28249        : Bug#43861 2009-03-25 main.query_cache_28249 fails sporadically
 sp_sync                  : Bug#48157 2010-02-06 5.5-m3 demands a differnt solution
 ctype_utf8mb4_ndb	: Bug#55799, Bug#51907, disabled by Konstantin 2010-08-06

storage/innobase/handler/ha_innodb.cc

@@ -9597,7 +9597,11 @@ ha_innobase::innobase_peek_autoinc(void)
 
 	auto_inc = dict_table_autoinc_read(innodb_table);
 
-	ut_a(auto_inc > 0);
+	if (auto_inc == 0) {
+		ut_print_timestamp(stderr);
+		fprintf(stderr, "  InnoDB: AUTOINC next value generation "
+			"is disabled for '%s'\n", innodb_table->name);
+	}
 
 	dict_table_autoinc_unlock(innodb_table);
 

storage/innobase/row/row0sel.c

@@ -3348,6 +3348,7 @@ row_search_for_mysql(
 	mem_heap_t*	heap				= NULL;
 	ulint		offsets_[REC_OFFS_NORMAL_SIZE];
 	ulint*		offsets				= offsets_;
+	ibool		table_lock_waited		= FALSE;
 
 	rec_offs_init(offsets_);
 
@@ -3734,13 +3735,15 @@ row_search_for_mysql(
 		trx_assign_read_view(trx);
 		prebuilt->sql_stat_start = FALSE;
 	} else {
+wait_table_again:
 		err = lock_table(0, index->table,
 				 prebuilt->select_lock_type == LOCK_S
 				 ? LOCK_IS : LOCK_IX, thr);
 
 		if (err != DB_SUCCESS) {
 
-			goto lock_wait_or_error;
+			table_lock_waited = TRUE;
+			goto lock_table_wait;
 		}
 		prebuilt->sql_stat_start = FALSE;
 	}
@@ -4551,6 +4554,7 @@ row_search_for_mysql(
 
 	btr_pcur_store_position(pcur, &mtr);
 
+lock_table_wait:
 	mtr_commit(&mtr);
 	mtr_has_extra_clust_latch = FALSE;
 
@@ -4568,6 +4572,14 @@ row_search_for_mysql(
 		thr->lock_state = QUE_THR_LOCK_NOLOCK;
 		mtr_start(&mtr);
 
+		/* Table lock waited, go try to obtain table lock
+		again */
+		if (table_lock_waited) {
+			table_lock_waited = FALSE;
+
+			goto wait_table_again;
+		}
+
 		sel_restore_position_for_mysql(&same_user_rec,
 					       BTR_SEARCH_LEAF, pcur,
 					       moves_up, &mtr);