On Mon, 2021-02-08 at 18:38 +0800, Hui Wang wrote:
> The function simple_write_to_buffer() doesn't add string termination
> at the end of buf, we need to handle it on our own. This change
> refers
> to the function tokenize_input() in debug.c and the function
> sof_dfsentry_trace_filter_write() in trace.c.
>
> Fixes: 091c12e1f50c ("ASoC: SOF: debug: add new debugfs entries for
> IPC flood test")
> Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
> Signed-off-by: Hui Wang <hui.wang@xxxxxxxxxxxxx>
> ---
> sound/soc/sof/debug.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
> index 30213a1beaaa..715a374b33cf 100644
> --- a/sound/soc/sof/debug.c
> +++ b/sound/soc/sof/debug.c
> @@ -352,7 +352,7 @@ static ssize_t sof_dfsentry_write(struct file
> *file, const char __user *buffer,
> char *string;
> int ret;
>
> - string = kzalloc(count, GFP_KERNEL);
> + string = kzalloc(count+1, GFP_KERNEL);
> if (!string)
> return -ENOMEM;
>
LGTM except that may be checkpatch would complain about the spaces
missing around the + sign.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
