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authorDave Airlie <airlied@redhat.com>2017-07-27 08:15:43 +1000
committerDave Airlie <airlied@redhat.com>2017-07-27 08:15:43 +1000
commit0eb2c0ae578ba00f97c7541e01abbce022d14909 (patch)
tree172db28b9232906ddac61b4bf20c4b0c60c85139 /fs/nfs/flexfilelayout/flexfilelayout.c
parent542aefb5a2da8f67b8fb74a24f60ecb3ec479a06 (diff)
parent520eccdfe187591a51ea9ab4c1a024ae4d0f68d9 (diff)
Backmerge tag 'v4.13-rc2' into drm-next
Linux 4.13-rc2 This is required for drm-misc fixing.
Diffstat (limited to 'fs/nfs/flexfilelayout/flexfilelayout.c')
-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)