linux-kernel - [PATCH next] drm/amdgpu/userq: Fix error codes in mes_userq_mqd

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Message-ID: <aMvVAsrczM9W2S7P@stanley.mountain>
Date: Thu, 18 Sep 2025 12:46:42 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Prike Liang <Prike.Liang@....com>
Cc: Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Shashank Sharma <shashank.sharma@....com>,
	Arvind Yadav <Arvind.Yadav@....com>,
	Sunil Khatri <sunil.khatri@....com>,
	"Jesse.Zhang" <Jesse.Zhang@....com>,
	Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@....com>,
	amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH next] drm/amdgpu/userq: Fix error codes in
 mes_userq_mqd_create()

Return the error code if amdgpu_userq_input_va_validate() fails.  Don't
return success.

Fixes: 9e46b8bb0539 ("drm/amdgpu: validate userq buffer virtual address and size")
Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
---
 drivers/gpu/drm/amd/amdgpu/mes_userqueue.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
index 2db9b2c63693..775b0bd5d6c4 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
@@ -298,8 +298,9 @@ static int mes_userq_mqd_create(struct amdgpu_userq_mgr *uq_mgr,
 			goto free_mqd;
 		}
 
-		if (amdgpu_userq_input_va_validate(queue->vm, compute_mqd->eop_va,
-		    max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE)))
+		r = amdgpu_userq_input_va_validate(queue->vm, compute_mqd->eop_va,
+		    max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE));
+		if (r)
 			goto free_mqd;
 
 		userq_props->eop_gpu_addr = compute_mqd->eop_va;
@@ -330,8 +331,9 @@ static int mes_userq_mqd_create(struct amdgpu_userq_mgr *uq_mgr,
 		userq_props->tmz_queue =
 			mqd_user->flags & AMDGPU_USERQ_CREATE_FLAGS_QUEUE_SECURE;
 
-		if (amdgpu_userq_input_va_validate(queue->vm, mqd_gfx_v11->shadow_va,
-		    shadow_info.shadow_size))
+		r = amdgpu_userq_input_va_validate(queue->vm, mqd_gfx_v11->shadow_va,
+		    shadow_info.shadow_size);
+		if (r)
 			goto free_mqd;
 
 		kfree(mqd_gfx_v11);
@@ -351,8 +353,9 @@ static int mes_userq_mqd_create(struct amdgpu_userq_mgr *uq_mgr,
 			goto free_mqd;
 		}
 
-		if (amdgpu_userq_input_va_validate(queue->vm, mqd_sdma_v11->csa_va,
-		    shadow_info.csa_size))
+		r = amdgpu_userq_input_va_validate(queue->vm, mqd_sdma_v11->csa_va,
+		    shadow_info.csa_size);
+		if (r)
 			goto free_mqd;
 
 		userq_props->csa_addr = mqd_sdma_v11->csa_va;
-- 
2.51.0