[PATCH] nfsd: Drop the client reference in client_states_open()

[Haoxiang Li]

In error path, call drop_client() to drop the reference
obtained by get_nfsdfs_clp().

Fixes: a204f25e372d ("nfsd: create get_nfsdfs_clp helper")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Haoxiang Li <lihaoxiang@xxxxxxxxxxxxxxxx>
---
 fs/nfsd/nfs4state.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 8a6960500217..caa0756b6914 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3097,8 +3097,10 @@ static int client_states_open(struct inode *inode, struct file *file)
 		return -ENXIO;
 
 	ret = seq_open(file, &states_seq_ops);
-	if (ret)
+	if (ret) {
+		drop_client(clp);
 		return ret;
+	}
 	s = file->private_data;
 	s->private = clp;
 	return 0;
-- 
2.25.1