From: Moudy Ho moudy.ho@mediatek.com
stable inclusion from stable-v6.6.2 commit 14e1dbe283ee95ec3f38d972646ac30930bc4d27 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 2a76e7679b594ea3e1b3b7fb6c3d67158114020d ]
Fix the build warnings that were detected by the linux-media build scripts tool:
drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c: In function 'mdp_path_config.isra': drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c: warning: 'ctx' may be used uninitialized [-Wmaybe-uninitialized] | out = CFG_COMP(MT8195, ctx->param, outputs[0]); | ~~~^~~~~~~ drivers/media/platform/mediatek/mdp3/mtk-img-ipi.h: note: in definition of macro 'CFG_COMP' | (IS_ERR_OR_NULL(comp) ? 0 : _CFG_COMP(plat, comp, mem)) | ^~~~ drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c: note: 'ctx' was declared here | struct mdp_comp_ctx *ctx; |
Fixes: 61890ccaefaf ("media: platform: mtk-mdp3: add MediaTek MDP3 driver") Signed-off-by: Moudy Ho moudy.ho@mediatek.com Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c index 3177592490be..6adac857a477 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c @@ -261,11 +261,11 @@ static int mdp_path_config(struct mdp_dev *mdp, struct mdp_cmdq_cmd *cmd, const struct v4l2_rect *compose; u32 out = 0;
+ ctx = &path->comps[index]; if (CFG_CHECK(MT8183, p_id)) out = CFG_COMP(MT8183, ctx->param, outputs[0]);
compose = path->composes[out]; - ctx = &path->comps[index]; ret = call_op(ctx, config_frame, cmd, compose); if (ret) return ret;