* [RFC,4/8] seq_buf: Add seq_buf_clear_buf()
@ 2017-07-25 15:45 Borislav Petkov
0 siblings, 0 replies; 2+ messages in thread
From: Borislav Petkov @ 2017-07-25 15:45 UTC (permalink / raw)
To: linux-edac; +Cc: Steven Rostedt, Tony Luck, Yazen Ghannam, X86 ML, LKML
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>
---
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)
{
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [RFC,4/8] seq_buf: Add seq_buf_clear_buf()
@ 2017-07-28 1:43 Steven Rostedt
0 siblings, 0 replies; 2+ messages in thread
From: Steven Rostedt @ 2017-07-28 1:43 UTC (permalink / raw)
To: Borislav Petkov; +Cc: linux-edac, Tony Luck, Yazen Ghannam, X86 ML, LKML
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)
> {
---
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