bk commit into 5.1 tree (tomas:1.2415) BUG#25239

[tomas]

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ChangeSet
  1.2415 07/01/31 13:01:03 tomas@stripped +1 -0
  Bug#25239	Out of memory problem can cause crash in SUMA

  storage/ndb/src/kernel/blocks/suma/Suma.cpp
    1.54 07/01/31 13:00:54 tomas@stripped +3 -4
    return RNIL instead of ndbrequire if memory allocation fails

# 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:	tomas
# Host:	poseidon.mysql.com
# Root:	/home/tomas/mysql-5.1-new-ndb

--- 1.53/storage/ndb/src/kernel/blocks/suma/Suma.cpp	2007-01-22 23:57:09 +07:00
+++ 1.54/storage/ndb/src/kernel/blocks/suma/Suma.cpp	2007-01-31 13:00:54 +07:00
@@ -4668,9 +4668,7 @@
   m_out_of_buffer_gci = m_last_complete_gci - 1;
   infoEvent("Out of event buffer: nodefailure will cause event failures");
 
-  signal->theData[0] = SumaContinueB::OUT_OF_BUFFER_RELEASE;
-  signal->theData[1] = 0;
-  sendSignal(SUMA_REF, GSN_CONTINUEB, signal, 2, JBB);
+  out_of_buffer_release(signal, 0);
 }
 
 void
@@ -4738,7 +4736,8 @@
 
   Uint32 count;
   m_tup->allocConsPages(16, count, ref);
-  ndbrequire(count > 0);
+  if (count == 0)
+    return RNIL;
 
   ndbout_c("alloc_chunk(%d %d) - ", ref, count);