Re: [PATCH] kernel: trace: ftrace: strncpy, using strlcpy insteadof strncpy

From: Steven Rostedt
Date: Tue Apr 09 2013 - 11:00:33 EST


I'll queue this up for my 3.10 queue. I'm going to merge this patch with
the previous patch you sent that updates trace.c

Thanks,

-- Steve

On Mon, 2013-04-08 at 12:12 +0800, Chen Gang wrote:
> for NUL terminated string, need always set '\0' at the end.
>
> Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
> ---
> kernel/trace/ftrace.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
> index dfd33f0..fa984b7 100644
> --- a/kernel/trace/ftrace.c
> +++ b/kernel/trace/ftrace.c
> @@ -3492,14 +3492,14 @@ static char ftrace_filter_buf[FTRACE_FILTER_SIZE] __initdata;
>
> static int __init set_ftrace_notrace(char *str)
> {
> - strncpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE);
> + strlcpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE);
> return 1;
> }
> __setup("ftrace_notrace=", set_ftrace_notrace);
>
> static int __init set_ftrace_filter(char *str)
> {
> - strncpy(ftrace_filter_buf, str, FTRACE_FILTER_SIZE);
> + strlcpy(ftrace_filter_buf, str, FTRACE_FILTER_SIZE);
> return 1;
> }
> __setup("ftrace_filter=", set_ftrace_filter);


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