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-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 1f2ac3dd0fe5..b0fa83a60754 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1842,6 +1842,10 @@ static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how)
int vers, ret;
struct nfs_fh *fh;
+ if (!lseg || !(pnfs_is_valid_lseg(lseg) ||
+ test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)))
+ goto out_err;
+
idx = calc_ds_index_from_commit(lseg, data->ds_commit_index);
ds = nfs4_ff_layout_prepare_ds(lseg, idx, true);
if (!ds)