From 9441aa22eabf4dc5f61bd092bb908a873eeb876f Mon Sep 17 00:00:00 2001
From: "aivanov@mysql.com" <>
Date: Wed, 26 Jul 2006 08:26:07 +0400
Subject: Applied innodb-5.0-ss660 snapshot.

---
 innobase/btr/btr0cur.c      |  3 ++-
 innobase/ibuf/ibuf0ibuf.c   | 15 ++++++---------
 innobase/include/sync0rw.ic |  2 +-
 3 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/innobase/btr/btr0cur.c b/innobase/btr/btr0cur.c
index 3d7b6fffb52..d51a090be75 100644
--- a/innobase/btr/btr0cur.c
+++ b/innobase/btr/btr0cur.c
@@ -439,7 +439,7 @@ retry_page_get:
 				if (UNIV_LIKELY_NULL(heap)) {
 					mem_heap_free(heap);
 				}
-				return;
+				goto func_exit;
 			}
 
 			/* Insert to the insert buffer did not succeed:
@@ -555,6 +555,7 @@ retry_page_get:
 						|| mode != PAGE_CUR_LE);
 	}
 
+func_exit:
 	if (has_search_latch) {
 		
 		rw_lock_s_lock(&btr_search_latch);
diff --git a/innobase/ibuf/ibuf0ibuf.c b/innobase/ibuf/ibuf0ibuf.c
index e4694ed52ae..b95f0a1832b 100644
--- a/innobase/ibuf/ibuf0ibuf.c
+++ b/innobase/ibuf/ibuf0ibuf.c
@@ -950,14 +950,11 @@ ibool
 ibuf_fixed_addr_page(
 /*=================*/
 			/* out: TRUE if a fixed address ibuf i/o page */
+	ulint	space,	/* in: space id */
 	ulint	page_no)/* in: page number */
 {
-	if ((ibuf_bitmap_page(page_no))
-				|| (page_no == IBUF_TREE_ROOT_PAGE_NO)) {
-		return(TRUE);
-	}
-
-	return(FALSE);
+	return((space == 0 && page_no == IBUF_TREE_ROOT_PAGE_NO)
+			|| ibuf_bitmap_page(page_no));
 }
 
 /***************************************************************************
@@ -981,7 +978,7 @@ ibuf_page(
 		return(FALSE);
 	}
 
-	if (ibuf_fixed_addr_page(page_no)) {
+	if (ibuf_fixed_addr_page(space, page_no)) {
 
 		return(TRUE);
 	}
@@ -1029,7 +1026,7 @@ ibuf_page_low(
 		return(FALSE);
 	}
 #endif	
-	if (ibuf_fixed_addr_page(page_no)) {
+	if (ibuf_fixed_addr_page(space, page_no)) {
 
 		return(TRUE);
 	}
@@ -3052,7 +3049,7 @@ ibuf_merge_or_delete_for_page(
 		return;
 	}
 #endif	
-	if (ibuf_fixed_addr_page(page_no) || fsp_descr_page(page_no)
+	if (ibuf_fixed_addr_page(space, page_no) || fsp_descr_page(page_no)
 					|| trx_sys_hdr_page(space, page_no)) {
 		return;
 	}
diff --git a/innobase/include/sync0rw.ic b/innobase/include/sync0rw.ic
index b1ae636010a..9e15475ae53 100644
--- a/innobase/include/sync0rw.ic
+++ b/innobase/include/sync0rw.ic
@@ -362,7 +362,7 @@ rw_lock_s_unlock_func(
 
 	/* Reset the shared lock by decrementing the reader count */
 
-	ut_ad(lock->reader_count > 0);
+	ut_a(lock->reader_count > 0);
 	lock->reader_count--;
 
 #ifdef UNIV_SYNC_DEBUG
-- 
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