Re: [PATCH v5] drm/amdgpu: cleanup coding style in amdkfd a bit

From: Felix Kuehling
Date: Tue Apr 21 2020 - 22:35:55 EST



On 2020-04-21 21:46, Bernard Zhao wrote:
Make the code a bit more readable by using a common
error handling pattern.
With that done the patch is Reviewed-by: Christian KÃnig
<christian.koenig@xxxxxxx>.

Signed-off-by: Bernard Zhao <bernard@xxxxxxxx>

Thanks. The patch is

Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>

I removed the history from the commit message, made Christian's Reviewed-by official and applied the patch.

Regards,
 Felix


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

Changes since V2:
*code style adjust

Changes since V3:
*find the best way to merge unnecessary if/else check branch

Changes since V4:
*Improve the subject line and commit message

Link for V1:
*https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Fpatchwork%2Fpatch%2F1226587%2F&amp;data=02%7C01%7CFelix.Kuehling%40amd.com%7C27509aa0455042beedc708d7e65efc22%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637231167951862118&amp;sdata=JPCxsDycw0JvZfym1akV7d%2B4oPzvzQ04Zl1rv3WN%2Fj0%3D&amp;reserved=0
---
.../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 20 +++++++++----------
1 file changed, 9 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..acb612c53b9c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -660,15 +660,15 @@ 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;
+ return ret;
}
- return ret;
+ ctx->reserved = true;
+ return 0;
}
/**
@@ -733,17 +733,15 @@ 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;
+ return ret;
}
- return ret;
+ ctx->reserved = true;
+ return 0;
}
/**