From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: "Oded Gabbay" <oded.gabbay@gmail.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"David (ChunMing) Zhou" <David1.Zhou@amd.com>,
"David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Felix Kuehling" <Felix.Kuehling@amd.com>
Cc: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH] drm/amdkfd: Fix unchecked return value
Date: Mon, 18 Mar 2019 13:05:25 -0500 [thread overview]
Message-ID: <20190318180525.GA13768@embeddedor> (raw)
Assign return value of function amdgpu_bo_sync_wait() to variable ret
for its further check.
Addresses-Coverity-ID: 1443914 ("Logically dead code")
Fixes: c60cd590cb7d ("drm/amdgpu: Replace ttm_bo_wait with amdgpu_bo_sync_wait")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 1921dec3df7a..fb621abcb006 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -906,7 +906,8 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info,
pr_err("validate_pt_pd_bos() failed\n");
goto validate_pd_fail;
}
- amdgpu_bo_sync_wait(vm->root.base.bo, AMDGPU_FENCE_OWNER_KFD, false);
+ ret = amdgpu_bo_sync_wait(vm->root.base.bo, AMDGPU_FENCE_OWNER_KFD,
+ false);
if (ret)
goto wait_pd_fail;
amdgpu_bo_fence(vm->root.base.bo,
--
2.21.0
next reply other threads:[~2019-03-18 18:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-18 18:05 Gustavo A. R. Silva [this message]
2019-03-18 18:25 ` Kuehling, Felix
2019-03-18 18:49 ` Gustavo A. R. Silva
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