9p: Kill set but not used variable 'ret' in parse_opts()

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index aa5672b..4a90843 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -716,7 +716,6 @@
 	substring_t args[MAX_OPT_ARGS];
 	int option;
 	char *options, *tmp_options;
-	int ret;
 
 	opts->port = P9_PORT;
 	opts->rfd = ~0;
@@ -744,7 +743,6 @@
 			if (r < 0) {
 				P9_DPRINTK(P9_DEBUG_ERROR,
 				"integer field, but no integer?\n");
-				ret = r;
 				continue;
 			}
 		}