diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
index 0d8849bf894..ee83669992b 100644
--- a/src/backend/storage/buffer/bufmgr.c
+++ b/src/backend/storage/buffer/bufmgr.c
@@ -2472,20 +2472,19 @@ BufferIsExclusiveLocked(Buffer buffer)
 {
 	BufferDesc *bufHdr;
 
+	Assert(BufferIsPinned(buffer));
+
 	if (BufferIsLocal(buffer))
 	{
-		int			bufid = -buffer - 1;
-
-		bufHdr = GetLocalBufferDescriptor(bufid);
+		/* Content locks are not maintained for local buffers. */
+		return true;
 	}
 	else
 	{
 		bufHdr = GetBufferDescriptor(buffer - 1);
+		return LWLockHeldByMeInMode(BufferDescriptorGetContentLock(bufHdr),
+									LW_EXCLUSIVE);
 	}
-
-	Assert(BufferIsPinned(buffer));
-	return LWLockHeldByMeInMode(BufferDescriptorGetContentLock(bufHdr),
-								LW_EXCLUSIVE);
 }
 
 /*
@@ -2501,21 +2500,22 @@ BufferIsDirty(Buffer buffer)
 {
 	BufferDesc *bufHdr;
 
+	Assert(BufferIsPinned(buffer));
+
 	if (BufferIsLocal(buffer))
 	{
 		int			bufid = -buffer - 1;
 
 		bufHdr = GetLocalBufferDescriptor(bufid);
+		/* Content locks are not maintained for local buffers. */
 	}
 	else
 	{
 		bufHdr = GetBufferDescriptor(buffer - 1);
+		Assert(LWLockHeldByMeInMode(BufferDescriptorGetContentLock(bufHdr),
+									LW_EXCLUSIVE));
 	}
 
-	Assert(BufferIsPinned(buffer));
-	Assert(LWLockHeldByMeInMode(BufferDescriptorGetContentLock(bufHdr),
-								LW_EXCLUSIVE));
-
 	return pg_atomic_read_u32(&bufHdr->state) & BM_DIRTY;
 }