nfsd: add __force to opaque verifier field casts

sparse complains that we're stuffing non-byte-swapped values into
__be32's here. Since they're supposed to be opaque, it doesn't matter
much. Just add __force to make sparse happy.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index f3f048724ac7..a6be9d3ee1f0 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -581,8 +581,12 @@ static void gen_boot_verifier(nfs4_verifier *verifier, struct net *net)
         __be32 verf[2];
         struct nfsd_net *nn = net_generic(net, nfsd_net_id);
 
-        verf[0] = (__be32)nn->nfssvc_boot.tv_sec;
-        verf[1] = (__be32)nn->nfssvc_boot.tv_usec;
+        /*
+         * This is opaque to client, so no need to byte-swap. Use
+         * __force to keep sparse happy
+         */
+        verf[0] = (__force __be32)nn->nfssvc_boot.tv_sec;
+        verf[1] = (__force __be32)nn->nfssvc_boot.tv_usec;
         memcpy(verifier->data, verf, sizeof(verifier->data));
 }