redis: suppress minor coverity warning

diff --git a/src/util-log-redis.c b/src/util-log-redis.c
index 7c53ba86af4bac132c0c5fabfc3f364b9a57e04a..b6ff2b6717c0bdf2369fc9953d64474c6386f716 100644 (file)
--- a/src/util-log-redis.c
+++ b/src/util-log-redis.c
@@ -455,7 +455,7 @@ int SCConfLogOpenRedis(ConfNode *redis_node, void *lf_ctx)
         redis_port =  ConfNodeLookupChildValue(redis_node, "port");
         redis_mode =  ConfNodeLookupChildValue(redis_node, "mode");
 
-        ConfGetChildValueBool(redis_node, "async", &is_async);
+        (void)ConfGetChildValueBool(redis_node, "async", &is_async);
     }
     if (!log_ctx->redis_setup.server) {
         log_ctx->redis_setup.server = redis_default_server;