[Minor] Log error in a more straightforward way

diff --git a/src/lua/lua_redis.c b/src/lua/lua_redis.c
index 32fa554768cf4e719959194ec4b6f43cc8c631a1..1e9ac96709574aa0edbec5aee46359771c00d722 100644 (file)
--- a/src/lua/lua_redis.c
+++ b/src/lua/lua_redis.c
@@ -999,7 +999,8 @@ rspamd_lua_redis_prepare_connection (lua_State *L, gint *pcbref, gboolean is_asy
                                ud->ctx = NULL;
                        }
                        else {
-                               msg_err_task_check ("cannot connect to redis: unknown error");
+                               msg_err_task_check ("cannot connect to redis (OS error): %s",
+                                               strerror (errno));
                        }
 
                        REDIS_RELEASE (ctx);