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Ensure that allocateBtreePage() always clears the MemPage pointer when

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it fails due to an I/O or memory allocation error.

FossilOrigin-Name: 09a38bf665902834936d39341627ded88142e6ae
This commit is contained in:
drh
2015-05-29 18:42:11 +00:00
parent e726622579
commit 1c8badeb26
3 changed files with 9 additions and 9 deletions
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4
src/btree.c
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@@ -5287,8 +5287,7 @@ int sqlite3BtreePrevious(BtCursor *pCur, int *pRes){
** sqlite3PagerUnref() on the new page when it is done.
**
** SQLITE_OK is returned on success. Any other return value indicates
** an error. *ppPage and *pPgno are undefined in the event of an error.
** Do not invoke sqlite3PagerUnref() on *ppPage if an error is returned.
** an error. *ppPage is set to NULL in the event of an error.
**
** If the "nearby" parameter is not 0, then an effort is made to
** locate a page close to the page number "nearby". This can be used in an
@@ -5532,6 +5531,7 @@ static int allocateBtreePage(
rc = sqlite3PagerWrite((*ppPage)->pDbPage);
if( rc!=SQLITE_OK ){
releasePage(*ppPage);
*ppPage = 0;
}
}
searchList = 0;