[AMD Official Use Only - General]
Reviewed-by: Hawking Zhang <hawking.zh...@amd.com>
Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Stanley.Yang
Sent: Monday, February 5, 2024 16:10
To: amd-gfx@lists.freedesktop.org
Cc: Yang, Stanley <stanley.y...@amd.com>
Subject: [PATCH Review 1/1] drm/amdgpu: Fix shared buff copy to user
ta if invoke node buffer
|-------- ta type ----------|
|-------- ta id ----------|
|-------- cmd id ----------|
|------ shared buf len -----|
|------ shared buffer ------|
ta if invoke node buffer is as above, copy shared buffer data to correct
location
Signed-off-by: Stanley.Yang <stanley.y...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c
index 468a67b302d4..ca5c86e5f7cd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c
@@ -362,7 +362,7 @@ static ssize_t ta_if_invoke_debugfs_write(struct file *fp,
const char *buf, size
}
}
- if (copy_to_user((char *)buf, context->mem_context.shared_buf,
shared_buf_len))
+ if (copy_to_user((char *)&buf[copy_pos],
context->mem_context.shared_buf, shared_buf_len))
ret = -EFAULT;
err_free_shared_buf:
--
2.25.1
