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Diffstat (limited to 'fs/nfsd/nfs4state.c')
-rw-r--r--fs/nfsd/nfs4state.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 9657dab980cb..7ed723994591 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -6404,23 +6404,26 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate,
static struct nfsd_file *
nfs4_find_file(struct nfs4_stid *s, int flags)
{
+ struct nfsd_file *ret = NULL;
+
if (!s)
return NULL;
switch (s->sc_type) {
case NFS4_DELEG_STID:
- if (WARN_ON_ONCE(!s->sc_file->fi_deleg_file))
- return NULL;
- return nfsd_file_get(s->sc_file->fi_deleg_file);
+ spin_lock(&s->sc_file->fi_lock);
+ ret = nfsd_file_get(s->sc_file->fi_deleg_file);
+ spin_unlock(&s->sc_file->fi_lock);
+ break;
case NFS4_OPEN_STID:
case NFS4_LOCK_STID:
if (flags & RD_STATE)
- return find_readable_file(s->sc_file);
+ ret = find_readable_file(s->sc_file);
else
- return find_writeable_file(s->sc_file);
+ ret = find_writeable_file(s->sc_file);
}
- return NULL;
+ return ret;
}
static __be32