On Fri, Jan 30, 2026 at 01:36:15PM +0800, [email protected] wrote:
> From: sunliming <[email protected]>
>
> Fix below smatch warnings:
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp_v13.c:161
> dpu_hw_sspp_setup_pe_config_v13()
> warn: variable dereferenced before check 'ctx' (see line 159)
>
> Reported-by: kernel test robot <[email protected]>
> Reported-by: Dan Carpenter <[email protected]>
> Closes: https://lore.kernel.org/r/[email protected]/
> Signed-off-by: sunliming <[email protected]>
> ---
> v2: Fix error code
Which error code?
>
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp_v13.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp_v13.c
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp_v13.c
> index e65f1fc026fd..312ee6597ab1 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp_v13.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp_v13.c
> @@ -156,11 +156,13 @@ static void dpu_hw_sspp_setup_pe_config_v13(struct
> dpu_hw_sspp *ctx,
> u8 color;
> u32 lr_pe[4], tb_pe[4];
> const u32 bytemask = 0xff;
> - u32 offset = ctx->cap->sblk->sspp_rec0_blk.base;
> + u32 offset;
>
> if (!ctx || !pe_ext)
> return;
>
> + offset = ctx->cap->sblk->sspp_rec0_blk.base;
> +
> c = &ctx->hw;
> /* program SW pixel extension override for all pipes*/
> for (color = 0; color < DPU_MAX_PLANES; color++) {
> --
> 2.25.1
>
--
With best wishes
Dmitry
