diff options
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 9fcb3d6e194..7c33948361a 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -3013,8 +3013,8 @@ BufferIsPermanent(Buffer buffer) XLogRecPtr BufferGetLSNAtomic(Buffer buffer) { - BufferDesc *bufHdr = GetBufferDescriptor(buffer - 1); char *page = BufferGetPage(buffer); + BufferDesc *bufHdr; XLogRecPtr lsn; uint32 buf_state; @@ -3028,6 +3028,7 @@ BufferGetLSNAtomic(Buffer buffer) Assert(BufferIsValid(buffer)); Assert(BufferIsPinned(buffer)); + bufHdr = GetBufferDescriptor(buffer - 1); buf_state = LockBufHdr(bufHdr); lsn = PageGetLSN(page); UnlockBufHdr(bufHdr, buf_state); |