From: Wenji Huang <wenji.huang@oracle.com>
Date: Tue, 10 Feb 2009 06:03:05 +0000 (-0500)
Subject: tracing: provide correct return value after outputting the event
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=810dc73265cd690b2bc6010489b4317bba2cda39;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

tracing: provide correct return value after outputting the event

This patch is to make the function return early on failure, and give
correct return value on success.

Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
---

diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 782ec0fdf453..519a0cab1530 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -186,30 +186,30 @@ verif_pid(struct trace_seq *s, pid_t pid, int cpu, pid_t *last_pids_cpu)
 	ret = trace_seq_printf(s,
 		" ------------------------------------------\n");
 	if (!ret)
-		TRACE_TYPE_PARTIAL_LINE;
+		return TRACE_TYPE_PARTIAL_LINE;
 
 	ret = print_graph_cpu(s, cpu);
 	if (ret == TRACE_TYPE_PARTIAL_LINE)
-		TRACE_TYPE_PARTIAL_LINE;
+		return TRACE_TYPE_PARTIAL_LINE;
 
 	ret = print_graph_proc(s, prev_pid);
 	if (ret == TRACE_TYPE_PARTIAL_LINE)
-		TRACE_TYPE_PARTIAL_LINE;
+		return TRACE_TYPE_PARTIAL_LINE;
 
 	ret = trace_seq_printf(s, " => ");
 	if (!ret)
-		TRACE_TYPE_PARTIAL_LINE;
+		return TRACE_TYPE_PARTIAL_LINE;
 
 	ret = print_graph_proc(s, pid);
 	if (ret == TRACE_TYPE_PARTIAL_LINE)
-		TRACE_TYPE_PARTIAL_LINE;
+		return TRACE_TYPE_PARTIAL_LINE;
 
 	ret = trace_seq_printf(s,
 		"\n ------------------------------------------\n\n");
 	if (!ret)
-		TRACE_TYPE_PARTIAL_LINE;
+		return TRACE_TYPE_PARTIAL_LINE;
 
-	return ret;
+	return TRACE_TYPE_HANDLED;
 }
 
 static struct ftrace_graph_ret_entry *