@@ -4574,7 +4574,8 @@ xfs_bmapi_convert_delalloc(
if (!isnullstartblock(bma.got.br_startblock)) {
xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags,
xfs_iomap_inode_sequence(ip, flags));
- *seq = READ_ONCE(ifp->if_seq);
+ if (seq)
+ *seq = READ_ONCE(ifp->if_seq);
goto out_trans_cancel;
}
@@ -4623,7 +4624,8 @@ xfs_bmapi_convert_delalloc(
ASSERT(!isnullstartblock(bma.got.br_startblock));
xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags,
xfs_iomap_inode_sequence(ip, flags));
- *seq = READ_ONCE(ifp->if_seq);
+ if (seq)
+ *seq = READ_ONCE(ifp->if_seq);
if (whichfork == XFS_COW_FORK)
xfs_refcount_alloc_cow_extent(tp, bma.blkno, bma.length);