On Tue, 03 Mar 2020, Aditya Swarup <aditya.swarup@xxxxxxxxx> wrote:
> Static code analysis tool identified struct lrc_timestamp data as being
> uninitialized and then data.ce[] is being checked for NULL/negative
> value in the error path. Initializing data variable fixes the issue.
>
> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Aditya Swarup <aditya.swarup@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/selftest_lrc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
> index ccf9debacd90..9b75b3c77a5b 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
> @@ -4725,7 +4725,7 @@ static int live_lrc_timestamp(void *arg)
> {
> struct intel_gt *gt = arg;
> enum intel_engine_id id;
> - struct lrc_timestamp data;
> + struct lrc_timestamp data = { 0 };
{} is preferred over {0}.
BR,
Jani.
> const u32 poison[] = {
> 0,
> S32_MAX,
--
Jani Nikula, Intel Open Source Graphics Center
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