diff options
Diffstat (limited to 'storage/innobase/buf/buf0rea.cc')
| -rw-r--r-- | storage/innobase/buf/buf0rea.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/storage/innobase/buf/buf0rea.cc b/storage/innobase/buf/buf0rea.cc index c4f07738..9041c6a2 100644 --- a/storage/innobase/buf/buf0rea.cc +++ b/storage/innobase/buf/buf0rea.cc @@ -597,6 +597,12 @@ failed: uint32_t prev= mach_read_from_4(my_assume_aligned<4>(f + FIL_PAGE_PREV)); uint32_t next= mach_read_from_4(my_assume_aligned<4>(f + FIL_PAGE_NEXT)); hash_lock.unlock_shared(); + /* The underlying file page of this buffer pool page could actually + be marked as freed, or a read of the page into the buffer pool might + be in progress. We may read uninitialized data here. + Suppress warnings of comparing uninitialized values. */ + MEM_MAKE_DEFINED(&prev, sizeof prev); + MEM_MAKE_DEFINED(&next, sizeof next); if (prev == FIL_NULL || next == FIL_NULL) goto fail; page_id_t id= page_id; |