0001-runtime-task_finder-remove-unused-stack-variables.patch

From 128fe6b1cf0a9f2041714cf60e7d8ced210af902 Mon Sep 17 00:00:00 2001
From: Cosmin Tanislav <demonsingur@gmail.com>
Date: Fri, 11 Dec 2020 18:42:22 -0500
Subject: [PATCH] runtime: task_finder: remove unused stack variables

---
 runtime/linux/task_finder.c  | 7 -------
 runtime/linux/task_finder2.c | 8 --------
 2 files changed, 15 deletions(-)

diff --git a/runtime/linux/task_finder.c b/runtime/linux/task_finder.c
index 8b95f3e..1da01c3 100644
--- a/runtime/linux/task_finder.c
+++ b/runtime/linux/task_finder.c
@@ -383,8 +383,6 @@ static void
 stap_utrace_detach_ops(struct utrace_engine_ops *ops)
 {
 	struct task_struct *grp, *tsk;
-	struct utrace_engine *engine;
-	pid_t pid = 0;
 	int rc = 0;
 	int ops_matched;
 	int iterations = 0;
@@ -1069,10 +1067,6 @@ __stp_utrace_task_finder_report_exec(enum utrace_resume_action action,
 #if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
 	struct task_struct *tsk = current;
 #endif
-	size_t filelen;
-	struct list_head *tgt_node;
-	struct stap_task_finder_target *tgt;
-	int found_node = 0;
 
 	__stp_tf_handler_start();
 	if (atomic_read(&__stp_task_finder_state) != __STP_TF_RUNNING) {
@@ -1139,7 +1133,6 @@ __stp_utrace_task_finder_target_exec(enum utrace_resume_action action,
 	struct task_struct *tsk = current;
 #endif
 	struct stap_task_finder_target *tgt = engine->data;
-	int rc;
 
 	__stp_tf_handler_start();
 	if (atomic_read(&__stp_task_finder_state) != __STP_TF_RUNNING) {
diff --git a/runtime/linux/task_finder2.c b/runtime/linux/task_finder2.c
index 4e0b68f..d445b20 100644
--- a/runtime/linux/task_finder2.c
+++ b/runtime/linux/task_finder2.c
@@ -432,8 +432,6 @@ static void
 stap_utrace_detach_ops(struct utrace_engine_ops *ops)
 {
 	struct task_struct *grp, *tsk;
-	struct utrace_engine *engine;
-	pid_t pid = 0;
 	int rc = 0;
 
 	// Notice we're not calling get_task_mm() in this loop. In
@@ -1111,11 +1109,6 @@ __stp_utrace_task_finder_report_exec(u32 action,
 				     const struct linux_binprm *bprm,
 				     struct pt_regs *regs)
 {
-	size_t filelen;
-	struct list_head *tgt_node;
-	struct stap_task_finder_target *tgt;
-	int found_node = 0;
-
 	if (atomic_read(&__stp_task_finder_state) != __STP_TF_RUNNING) {
 		debug_task_finder_detach();
 		return UTRACE_DETACH;
@@ -1153,7 +1146,6 @@ __stp_utrace_task_finder_target_exec(u32 action,
 {
 	struct task_struct *tsk = current;
 	struct stap_task_finder_target *tgt = engine->data;
-	int rc;
 
 	if (atomic_read(&__stp_task_finder_state) != __STP_TF_RUNNING) {
 		debug_task_finder_detach();
-- 
1.8.3.1