On Thu, 2012-10-11 at 16:27 -0700, David Sharp wrote:
> 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 <dhsh...@google.com>
> Cc: Steven Rostedt <rost...@goodmis.org>
> ---
> 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;
>
It has already been fixed in mainline:
92d8d4a8b0f4c6eba70f6e62b48e38bd005a56e6
http://marc.info/?l=linux-kernel&m=134012157512078
-- Steve
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