From f17725108809efaaf139f141808d537d14db3708 Mon Sep 17 00:00:00 2001 From: Junwei Zhang Date: Thu, 30 Aug 2018 17:35:40 +0800 Subject: [PATCH] amdgpu: add error return value for finding bo by cpu mapping (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If nothing is found, error should be returned. v2: udpate the error value different from parameter check Signed-off-by: Junwei Zhang Reviewed-by: Christian König Reviewed-by: Michel Dänzer --- amdgpu/amdgpu_bo.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c index 2f4f90f6..a2fc5250 100644 --- a/amdgpu/amdgpu_bo.c +++ b/amdgpu/amdgpu_bo.c @@ -549,8 +549,9 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev, amdgpu_bo_handle *buf_handle, uint64_t *offset_in_bo) { - uint32_t i; struct amdgpu_bo *bo; + uint32_t i; + int r = 0; if (cpu == NULL || size == 0) return -EINVAL; @@ -577,10 +578,11 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev, } else { *buf_handle = NULL; *offset_in_bo = 0; + r = -ENXIO; } pthread_mutex_unlock(&dev->bo_table_mutex); - return 0; + return r; } int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev,