linux-kernel - [PATCH -next] drm/amdgpu: Fix return value check in amdgpu_allocate_static

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Date:   Tue, 4 Dec 2018 06:39:36 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     <alexander.deucher@....com>, <christian.koenig@....com>,
        <David1.Zhou@....com>, <airlied@...ux.ie>, <Rex.Zhu@....com>,
        <Monk.Liu@....com>
CC:     Wei Yongjun <weiyongjun1@...wei.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: Fix return value check in amdgpu_allocate_static_csa()

Fix the return value check which testing the wrong variable
in amdgpu_allocate_static_csa().

Fixes: 7946340fa389 ("drm/amdgpu: Move csa related code to separate file")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
index 0c590dd..a5fbc6f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
@@ -43,7 +43,7 @@ int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo **bo
 	r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
 				domain, bo,
 				NULL, &ptr);
-	if (!bo)
+	if (!r)
 		return -ENOMEM;
 
 	memset(ptr, 0, size);