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-rw-r--r--fs/nfsd/nfs4state.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 16efbe2b1853..9072d0f8340b 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -879,9 +879,12 @@ static void nfs4_put_deleg_lease(struct nfs4_file *fp)
{
struct file *filp = NULL;
+ WARN_ON_ONCE(!fp->fi_delegees);
+
spin_lock(&fp->fi_lock);
- if (fp->fi_deleg_file && --fp->fi_delegees == 0)
+ if (--fp->fi_delegees == 0) {
swap(filp, fp->fi_deleg_file);
+ }
spin_unlock(&fp->fi_lock);
if (filp) {