diff options
Diffstat (limited to 'fs/nfs/flexfilelayout/flexfilelayoutdev.c')
| -rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayoutdev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c index c40395ae0814..1109462a9699 100644 --- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c +++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c @@ -97,6 +97,11 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev, if (unlikely(!p)) goto out_err_drain_dsaddrs; version_count = be32_to_cpup(p); + + if (version_count == 0) { + ret = -EINVAL; + goto out_err_drain_dsaddrs; + } dprintk("%s: version count %d\n", __func__, version_count); ds_versions = kzalloc_objs(struct nfs4_ff_ds_version, version_count, |