libceph: drop version variable from ceph_monmap_decode()

It's set but not used: CEPH_FEATURE_MONNAMES feature bit isn't
advertised, which guarantees a v1 MonMap.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>

diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 29a0ef3..250f11f 100644 (file)
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -43,15 +43,13 @@ struct ceph_monmap *ceph_monmap_decode(void *p, void *end)
        int i, err = -EINVAL;
        struct ceph_fsid fsid;
        u32 epoch, num_mon;
-       u16 version;
        u32 len;
 
        ceph_decode_32_safe(&p, end, len, bad);
        ceph_decode_need(&p, end, len, bad);
 
        dout("monmap_decode %p %p len %d\n", p, end, (int)(end-p));
-
-       ceph_decode_16_safe(&p, end, version, bad);
+       p += sizeof(u16);  /* skip version */
 
        ceph_decode_need(&p, end, sizeof(fsid) + 2*sizeof(u32), bad);
        ceph_decode_copy(&p, &fsid, sizeof(fsid));