[PATCH] nfsd: use correct enum type in decode_cb_op_status

[Stefan Agner]

Use enum nfs_cb_opnum4 in decode_cb_op_status. This fixes warnings
seen with clang:
  fs/nfsd/nfs4callback.c:451:36: warning: implicit conversion from
      enumeration type 'enum nfs_cb_opnum4' to different enumeration
      type 'enum nfs_opnum4' [-Wenum-conversion]
        status = decode_cb_op_status(xdr, OP_CB_SEQUENCE, &cb->cb_seq_status);
                 ~~~~~~~~~~~~~~~~~~~      ^~~~~~~~~~~~~~

Signed-off-by: Stefan Agner <ste...@agner.ch>
---
 fs/nfsd/nfs4callback.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 49b0a9e7ff18..1f04d2a70d25 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -223,8 +223,8 @@ static int nfs_cb_stat_to_errno(int status)
        return -status;
 }
 
-static int decode_cb_op_status(struct xdr_stream *xdr, enum nfs_opnum4 
expected,
-                              int *status)
+static int decode_cb_op_status(struct xdr_stream *xdr,
+                              enum nfs_cb_opnum4 expected, int *status)
 {
        __be32 *p;
        u32 op;
-- 
2.16.2