lkml.org 
[lkml]   [2017]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 4/8] seq_buf: Add seq_buf_clear_buf()
On Tue, 25 Jul 2017 17:45:57 +0200
Borislav Petkov <bp@alien8.de> wrote:

> From: Borislav Petkov <bp@suse.de>
>
> This is the version which clears the supplied buffer too. Useful when
> we're done with the buffer and want to clean it up and prepare it for
> reuse.
>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> Cc: Steven Rostedt <rostedt@goodmis.org>

Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

-- Steve

> ---
> include/linux/seq_buf.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h
> index fb7eb9ccb1cd..8705a482e76c 100644
> --- a/include/linux/seq_buf.h
> +++ b/include/linux/seq_buf.h
> @@ -28,6 +28,13 @@ static inline void seq_buf_clear(struct seq_buf *s)
> s->readpos = 0;
> }
>
> +/* Like seq_buf_clear() but zero out the buffer too. */
> +static inline void seq_buf_clear_buf(struct seq_buf *s)
> +{
> + seq_buf_clear(s);
> + memset(s->buffer, 0, s->size);
> +}
> +
> static inline void
> seq_buf_init(struct seq_buf *s, unsigned char *buf, unsigned int size)
> {

\
 
 \ /
  Last update: 2017-07-28 03:44    [W:0.161 / U:31.708 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site