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SubjectRe: [PATCH v2 1/5] media: visl: Fix params permissions/defaults mismatch
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On 24/10/2023 21:09, Detlev Casanova wrote:
> `false` was used as the keep_bitstream_buffers parameter permissions.
> This looks more like a default value for the parameter, so change it to
> 0 to avoid confusion.
>
> Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
> Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
> ---
> drivers/media/test-drivers/visl/visl-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/test-drivers/visl/visl-core.c b/drivers/media/test-drivers/visl/visl-core.c
> index 9970dc739ca5..df6515530fbf 100644
> --- a/drivers/media/test-drivers/visl/visl-core.c
> +++ b/drivers/media/test-drivers/visl/visl-core.c
> @@ -74,7 +74,7 @@ MODULE_PARM_DESC(visl_dprintk_nframes,
> " the number of frames to trace with dprintk");
>
> bool keep_bitstream_buffers;
> -module_param(keep_bitstream_buffers, bool, false);
> +module_param(keep_bitstream_buffers, bool, 0);

???

This last parameter is the permission, it makes no sense that this
is either 0 or false: then nobody can see it in /sys/modules/.

Typically this is 0444 if it is readable only, or 0644 if it can be
written by root.

Regards,

Hans

> MODULE_PARM_DESC(keep_bitstream_buffers,
> " keep bitstream buffers in debugfs after streaming is stopped");
>

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