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branches/zip: buf_page_get_zip(): Fix a bogus warning about

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block_mutex being possibly uninitialized.
This commit is contained in:
marko 2009-06-22 08:31:35 +00:00
parent 090cdcff6a
commit c0bda951fa
1 changed files with 7 additions and 3 deletions
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10
buf/buf0buf.c
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@ -1672,6 +1672,7 @@ lookup:
if (UNIV_UNLIKELY(!bpage->zip.data)) {
/* There is no compressed page. */
err_exit:
buf_pool_mutex_exit();
return(NULL);
}
@ -1682,14 +1683,13 @@ lookup:
case BUF_BLOCK_MEMORY:
case BUF_BLOCK_REMOVE_HASH:
case BUF_BLOCK_ZIP_FREE:
ut_error;
break;
case BUF_BLOCK_ZIP_PAGE:
case BUF_BLOCK_ZIP_DIRTY:
block_mutex = &buf_pool_zip_mutex;
mutex_enter(block_mutex);
bpage->buf_fix_count++;
break;
goto got_block;
case BUF_BLOCK_FILE_PAGE:
block_mutex = &((buf_block_t*) bpage)->mutex;
mutex_enter(block_mutex);
@ -1704,9 +1704,13 @@ lookup:
buf_block_buf_fix_inc((buf_block_t*) bpage,
__FILE__, __LINE__);
break;
goto got_block;
}
ut_error;
goto err_exit;
got_block:
must_read = buf_page_get_io_fix(bpage) == BUF_IO_READ;
buf_pool_mutex_exit();