bk commit into 4.1 tree (istruewing:1.2551) BUG#20719

[ingo]

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ChangeSet@stripped, 2006-09-27 11:55:30+02:00, istruewing@stripped +1 -0
  Bug#20719 - Reading dynamic records with write buffer could fail
  After merge fix.

  myisam/mi_dynrec.c@stripped, 2006-09-27 11:55:28+02:00, istruewing@stripped +0 -3
    Bug#20719 - Reading dynamic records with write buffer could fail
    After merge fix.

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	istruewing
# Host:	chilla.local
# Root:	/home/mydev/mysql-4.1-bug20719-m

--- 1.39/myisam/mi_dynrec.c	2006-09-27 11:55:33 +02:00
+++ 1.40/myisam/mi_dynrec.c	2006-09-27 11:55:33 +02:00
@@ -1148,9 +1148,6 @@ int _mi_read_dynamic_record(MI_INFO *inf
 	  info->rec_cache.pos_in_file < filepos + MI_BLOCK_INFO_HEADER_LENGTH &&
 	  flush_io_cache(&info->rec_cache))
 	goto err;
-      /* A corrupted table can have wrong pointers. (Bug# 19835) */
-      if (block_info.next_filepos == HA_OFFSET_ERROR)
-        goto panic;
       info->rec_cache.seek_not_done=1;
       if ((b_type= _mi_get_block_info(&block_info, file, filepos))
 	  & (BLOCK_DELETED | BLOCK_ERROR | BLOCK_SYNC_ERROR |