[PATCH v6 6/6] tracing: Fix maybe-uninitialized warning in ftrace_function_set_regexp

From: David Sharp
Date: Thu Oct 11 2012 - 19:29:25 EST


Compiler warning:

kernel/trace/trace_events_filter.c: In function 'ftrace_function_set_filter_cb':
kernel/trace/trace_events_filter.c:2074:8: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]

Signed-off-by: David Sharp <dhsharp@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
kernel/trace/trace_events_filter.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 431dba8..ef36953 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -2002,9 +2002,10 @@ static int ftrace_function_set_regexp(struct ftrace_ops *ops, int filter,
static int __ftrace_function_set_filter(int filter, char *buf, int len,
struct function_filter_data *data)
{
- int i, re_cnt, ret;
+ int i, re_cnt;
int *reset;
char **re;
+ int ret = 0;

reset = filter ? &data->first_filter : &data->first_notrace;

--
1.7.7.3

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