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From 9a383051b57ea6ef073d6e248d445b031ff38b6a Mon Sep 17 00:00:00 2001
From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Date: Wed, 14 Feb 2018 23:20:00 -0600
Subject: [PATCH 3580/4131] drm/amdgpu_gem: fix error handling path in
amdgpu_gem_va_update_vm
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Currently, if amdgpu_vm_bo_update() fails, the returned error
is being ignored.
Fix this by properly checking _r_ after calling amdgpu_vm_bo_update.
Also, remove redundant code just before label _error_.
Addresses-Coverity-ID: 1464280 ("Unused value")
Fixes: 0abc6878fc2d ("drm/amdgpu: update VM PDs after the PTs")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 8497e48..586a77b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -694,12 +694,13 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev,
goto error;
if (operation == AMDGPU_VA_OP_MAP ||
- operation == AMDGPU_VA_OP_REPLACE)
+ operation == AMDGPU_VA_OP_REPLACE) {
r = amdgpu_vm_bo_update(adev, bo_va, false);
+ if (r)
+ goto error;
+ }
r = amdgpu_vm_update_directories(adev, vm);
- if (r)
- goto error;
error:
if (r && r != -ERESTARTSYS)
--
2.7.4
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