diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index f7b78d75c6056ef8b901c23dd089fdff75bbbe7a..8892b45b436873068148b99b64f7c93759d45f88 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3569,8 +3569,7 @@ static int ftrace_mod_callback(struct ftrace_hash *hash, char *func, char *cmd, char *param, int enable) { - char *mod; - int ret = -EINVAL; + int ret; /* * cmd == 'mod' because we only registered this func @@ -3581,16 +3580,12 @@ ftrace_mod_callback(struct ftrace_hash *hash, */ /* we must have a module name */ - if (!param) - return ret; - - mod = strsep(¶m, ":"); - if (!strlen(mod)) - return ret; + if (!param || !strlen(param)) + return -EINVAL; - ret = ftrace_match_module_records(hash, func, mod); + ret = ftrace_match_module_records(hash, func, param); if (!ret) - ret = -EINVAL; + return -EINVAL; if (ret < 0) return ret;