trx0trx.h, trx0trx.ic, row0mysql.c:

  Fix another bug in the fix of Bug #3300

innobase/include/trx0trx.h

@@ -29,8 +29,8 @@ trx_reset_new_rec_lock_info(
 /*========================*/
 	trx_t*	trx);	/* in: transaction struct */
 /*****************************************************************
-Registers that we have set a new record lock on an index. We only have
-space to store 2 indexes! If this is called more than twice after
+Registers that we have set a new record lock on an index. We only have space
+to store 2 indexes! If this is called to store more than 2 indexes after
 trx_reset_new_rec_lock_info(), then this function does nothing. */
 UNIV_INLINE
 void

innobase/include/trx0trx.ic

@@ -52,8 +52,8 @@ trx_reset_new_rec_lock_info(
 }
 
 /*****************************************************************
-Registers that we have set a new record lock on an index. We only have
-space to store 2 indexes! If this is called more than twice after
+Registers that we have set a new record lock on an index. We only have space
+to store 2 indexes! If this is called to store more than 2 indexes after
 trx_reset_new_rec_lock_info(), then this function does nothing. */
 UNIV_INLINE
 void

innobase/row/row0mysql.c

@@ -1517,7 +1517,7 @@ row_unlock_for_mysql(
 									&mtr);
 		}
 
-		rec = btr_pcur_get_rec(pcur);
+		rec = btr_pcur_get_rec(clust_pcur);
 
 		mutex_enter(&kernel_mutex);