Author: rmacklem
Date: Sun Jun  3 19:46:44 2018
New Revision: 334586
URL: https://svnweb.freebsd.org/changeset/base/334586

Log:
  Fix a gcc8 warning about a write only variable.
  
  gcc8 warns that "verf" was set but not used. This was because the code
  that uses it is disabled via a "#if 0".
  This patch adds a "#if 0" to the variable's declaration and assignment
  to get rid of the warning.
  This way the code could be re-enabled without difficulty.
  
  Requested by: mmacy
  MFC after:    2 weeks

Modified:
  head/sys/fs/nfsserver/nfs_nfsdport.c

Modified: head/sys/fs/nfsserver/nfs_nfsdport.c
==============================================================================
--- head/sys/fs/nfsserver/nfs_nfsdport.c        Sun Jun  3 19:37:17 2018        
(r334585)
+++ head/sys/fs/nfsserver/nfs_nfsdport.c        Sun Jun  3 19:46:44 2018        
(r334586)
@@ -1574,7 +1574,10 @@ nfsrvd_readdir(struct nfsrv_descript *nd, int isdgram,
        struct nfsvattr at;
        int nlen, error = 0, getret = 1;
        int siz, cnt, fullsiz, eofflag, ncookies;
-       u_int64_t off, toff, verf;
+       u_int64_t off, toff;
+#if 0
+       u_int64_t verf;
+#endif
        u_long *cookies = NULL, *cookiep;
        struct uio io;
        struct iovec iv;
@@ -1591,7 +1594,9 @@ nfsrvd_readdir(struct nfsrv_descript *nd, int isdgram,
                NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
                off = fxdr_hyper(tl);
                tl += 2;
+#if 0
                verf = fxdr_hyper(tl);
+#endif
                tl += 2;
        }
        toff = off;
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