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From:   Bernard Zhao <bernard@vivo.com>
To:     Felix Kuehling <Felix.Kuehling@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>,
        "David (ChunMing) Zhou" <David1.Zhou@amd.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>, amd-gfx@lists.freedesktop.org,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc:     opensource.kernel@vivo.com, Bernard Zhao <bernard@vivo.com>
Subject: [PATCH V3] amdgpu: remove unnecessary condition check
Date:   Tue, 21 Apr 2020 01:03:24 -0700
Message-Id: <20200421080324.130104-1-bernard@vivo.com>
Reply-To: 1587180037-113840-1-git-send-email-bernard@vivo.com
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Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

There is no need to if check again, maybe we could merge
into the above else branch.

Signed-off-by: Bernard Zhao <bernard@vivo.com>

Changes since V1:
*commit message improve
*code style refactoring

Changes since V2:
*code style adjust

Link for V1:
*https://lore.kernel.org/patchwork/patch/1226587/
---
 .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c   | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 9dff792c9290..5424bd921a7b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -660,13 +660,12 @@ static int reserve_bo_and_vm(struct kgd_mem *mem,
 
 	ret = ttm_eu_reserve_buffers(&ctx->ticket, &ctx->list,
 				     false, &ctx->duplicates);
-	if (!ret)
-		ctx->reserved = true;
-	else {
-		pr_err("Failed to reserve buffers in ttm\n");
+	if (ret) {
+		pr_err("Failed to reserve buffers in ttm.\n");
 		kfree(ctx->vm_pd);
 		ctx->vm_pd = NULL;
-	}
+	} else
+		ctx->reserved = true;
 
 	return ret;
 }
@@ -733,15 +732,12 @@ static int reserve_bo_and_cond_vms(struct kgd_mem *mem,
 
 	ret = ttm_eu_reserve_buffers(&ctx->ticket, &ctx->list,
 				     false, &ctx->duplicates);
-	if (!ret)
-		ctx->reserved = true;
-	else
-		pr_err("Failed to reserve buffers in ttm.\n");
-
 	if (ret) {
+		pr_err("Failed to reserve buffers in ttm.\n");
 		kfree(ctx->vm_pd);
 		ctx->vm_pd = NULL;
-	}
+	} else
+		ctx->reserved = true;
 
 	return ret;
 }
-- 
2.26.2