Re: [PATCH] drm/amdkfd: return negative error code in svm_ioctl()

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On 2024-03-25 02:31, Su Hui wrote:
svm_ioctl() should return negative error code in default case.

Fixes: 42de677f7999 ("drm/amdkfd: register svm range")
Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx>

Good catch, ioctl should return -errno. I will apply it to drm-next.

Reviewed-by: Philip Yang<philip.yang@xxxxxxx>

---
Ps: When I try to compile this file, there is a error :
drivers/gpu/drm/amd/amdkfd/kfd_migrate.c:28:10: fatal error: amdgpu_sync.h:
No such file or directory.

Maybe there are some steps I missed or this place need to be corrected?

Don't know how you compile the driver, amdgpu_sync.h is located under amdgpu folder, amdkfd/Makefile is included from amdgpu/Makefile, which set ccflag-y -I correctly.

Regards,

Philip


 drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index f0f7f48af413..41c376f3fd27 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -4147,7 +4147,7 @@ svm_ioctl(struct kfd_process *p, enum kfd_ioctl_svm_op op, uint64_t start,
 		r = svm_range_get_attr(p, mm, start, size, nattrs, attrs);
 		break;
 	default:
-		r = EINVAL;
+		r = -EINVAL;
 		break;
 	}
 

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