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Viewing changes to storage/innobase/mtr/mtr0mtr.c

  • Committer: Package Import Robot
  • Author(s): Marc Deslauriers
  • Date: 2012-02-22 08:30:45 UTC
  • mfrom: (1.4.1)
  • Revision ID: package-import@ubuntu.com-20120222083045-2rd53r4bnyx7qus4
Tags: 5.1.61-0ubuntu0.11.04.1
https://launchpad.net/bugs/937869
* SECURITY UPDATE: Update to 5.1.61 to fix multiple security issues
  (LP: #937869)
  - http://www.oracle.com/technetwork/topics/security/cpujan2012-366304.html
  - CVE-2011-2262
  - CVE-2012-0075
  - CVE-2012-0112
  - CVE-2012-0113
  - CVE-2012-0114
  - CVE-2012-0115
  - CVE-2012-0116
  - CVE-2012-0117
  - CVE-2012-0118
  - CVE-2012-0119
  - CVE-2012-0120
  - CVE-2012-0484
  - CVE-2012-0485
  - CVE-2012-0486
  - CVE-2012-0487
  - CVE-2012-0488
  - CVE-2012-0489
  - CVE-2012-0490
  - CVE-2012-0491
  - CVE-2012-0492
  - CVE-2012-0493
  - CVE-2012-0494
  - CVE-2012-0495
  - CVE-2012-0496

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Lines of Context:
storage/innobase/mtr/mtr0mtr.c
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        dyn_array_free(&(mtr->log));
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}
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/**************************************************************
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Releases the latches stored in an mtr memo down to a savepoint.
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NOTE! The mtr must not have made changes to buffer pages after the
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savepoint, as these can be handled only by mtr_commit. */
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void
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mtr_rollback_to_savepoint(
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/*======================*/
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        mtr_t*  mtr,            /* in: mtr */
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        ulint   savepoint)      /* in: savepoint */
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{
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        mtr_memo_slot_t* slot;
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        dyn_array_t*    memo;
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        ulint           offset;
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        ut_ad(mtr);
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        ut_ad(mtr->magic_n == MTR_MAGIC_N);
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        ut_ad(mtr->state == MTR_ACTIVE);
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        memo = &(mtr->memo);
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        offset = dyn_array_get_data_size(memo);
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        ut_ad(offset >= savepoint);
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        while (offset > savepoint) {
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                offset -= sizeof(mtr_memo_slot_t);
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                slot = dyn_array_get_element(memo, offset);
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                ut_ad(slot->type != MTR_MEMO_MODIFY);
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                mtr_memo_slot_release(mtr, slot);
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        }
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}
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/*******************************************************
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Releases an object in the memo stack. */
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