linux-kernel - [PATCH] drm/msm: Drop unneeded NULL check

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Message-ID: <20250717151202.7987-1-robin.clark@oss.qualcomm.com>
Date: Thu, 17 Jul 2025 08:12:01 -0700
From: Rob Clark <robin.clark@....qualcomm.com>
To: dri-devel@...ts.freedesktop.org
Cc: linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        Rob Clark <robin.clark@....qualcomm.com>,
        Dan Carpenter <dan.carpenter@...aro.org>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] drm/msm: Drop unneeded NULL check

This is always set in msm_gpu_init(), and can never be NULL.

Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
Signed-off-by: Rob Clark <robin.clark@....qualcomm.com>
---
 drivers/gpu/drm/msm/msm_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 55c29f49b788..cefa50192391 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -768,7 +768,7 @@ struct msm_mmu *msm_iommu_gpu_new(struct device *dev, struct msm_gpu *gpu, unsig
 		return mmu;
 
 	iommu = to_msm_iommu(mmu);
-	if (adreno_smmu && adreno_smmu->cookie) {
+	if (adreno_smmu->cookie) {
 		const struct io_pgtable_cfg *cfg =
 			adreno_smmu->get_ttbr1_cfg(adreno_smmu->cookie);
 		size_t tblsz = get_tblsz(cfg);
-- 
2.50.1