Commit b1dcc804 authored by sunliming's avatar sunliming Committed by Dmitry Baryshkov
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drm/msm/dpu: Fix smatch warnings about variable dereferenced before check 



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: default avatarkernel test robot <lkp@intel.com>
Reported-by: default avatarDan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202601252214.oEaY3UZM-lkp@intel.com/


Signed-off-by: default avatarsunliming <sunliming@kylinos.cn>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/701853/
Link: https://lore.kernel.org/r/20260130053615.24886-1-sunliming@linux.dev


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
parent 6f6f3535

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp_v13.c

+3 −1
Original line number Diff line number Diff line
@@ -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++) {