| Message ID | 20200228130331.1330189-1-trond.myklebust@hammerspace.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | NFSv4/pnfs: Return valid stateids in nfs_layout_find_inode_by_stateid() | expand |
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index b6ffac9963c8..eb9d035451a2 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -128,6 +128,8 @@ static struct inode *nfs_layout_find_inode_by_stateid(struct nfs_client *clp, list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link) { list_for_each_entry(lo, &server->layouts, plh_layouts) { + if (!pnfs_layout_is_valid(lo)) + continue; if (stateid != NULL && !nfs4_stateid_match_other(stateid, &lo->plh_stateid)) continue;
Make sure to test the stateid for validity so that we catch instances where the server may have been reusing stateids in nfs_layout_find_inode_by_stateid(). Fixes: 7b410d9ce460 ("pNFS: Delay getting the layout header in CB_LAYOUTRECALL handlers") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> --- fs/nfs/callback_proc.c | 2 ++ 1 file changed, 2 insertions(+)