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authorWenji Huang <wenji.huang@oracle.com>2009-02-10 01:03:05 -0500
committerSteven Rostedt <srostedt@redhat.com>2009-02-10 12:32:33 -0500
commit810dc73265cd690b2bc6010489b4317bba2cda39 (patch)
tree5cc203b18962bdf92dc065da933737cd04b8a2d2 /kernel/trace/trace_functions_graph.c
parentf54fc98aa656f334c1571df6e3ca9178ea223847 (diff)
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>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
-rw-r--r--kernel/trace/trace_functions_graph.c14
1 files changed, 7 insertions, 7 deletions
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 *