nfsd: only WARN once on unmapped errors

No need to spam the logs here.

The only drawback is losing information if we ever encounter two
different unmapped errors, but in practice we've rarely see even one.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index e9214768cde9..a56ee10204d9 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -798,7 +798,7 @@ nfserrno (int errno)
                 if (nfs_errtbl[i].syserr == errno)
                         return nfs_errtbl[i].nfserr;
         }
-        WARN(1, "nfsd: non-standard errno: %d\n", errno);
+        WARN_ONCE(1, "nfsd: non-standard errno: %d\n", errno);
         return nfserr_io;
 }