diff options
| author | Jesse Zhang <jesse.zhang@amd.com> | 2024-05-09 10:57:04 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-23 15:09:15 -0400 |
| commit | 030ffd4d43b433bc6671d9ec34fc12c59220b95d (patch) | |
| tree | 1162f527ff7551379419d8ab6b7b7c84fb8da18d | |
| parent | 29c03edecd090de105b9353d8eb4e430132218a8 (diff) | |
drm/admgpu: fix dereferencing null pointer context
When user space sets an invalid ta type, the pointer context will be empty.
So it need to check the pointer context before using it
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Suggested-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c index ca5c86e5f7cd..8e8afbd237bc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c @@ -334,7 +334,7 @@ static ssize_t ta_if_invoke_debugfs_write(struct file *fp, const char *buf, size set_ta_context_funcs(psp, ta_type, &context); - if (!context->initialized) { + if (!context || !context->initialized) { dev_err(adev->dev, "TA is not initialized\n"); ret = -EINVAL; goto err_free_shared_buf; |