On Wed, Jul 9, 2025 at 3:28 PM Christophe JAILLET
<[email protected]> wrote:
>
> If kasprintf() fails, some mutex still need to be released to avoid locking
> issue, as already done in all other error handling path.
>
> Fixes: c03ea34cbf88 ("drm/amdgpu: add support of debugfs for mqd information")
> Signed-off-by: Christophe JAILLET <[email protected]>
@Christian Koenig @Sunil Khatri can you pick this up for drm-misc?
Thanks,
Alex
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
> index 513bbc543f40..bce97318965c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
> @@ -520,8 +520,10 @@ amdgpu_userq_create(struct drm_file *filp, union
> drm_amdgpu_userq *args)
> }
>
> queue_name = kasprintf(GFP_KERNEL, "queue-%d", qid);
> - if (!queue_name)
> - return -ENOMEM;
> + if (!queue_name) {
> + r = -ENOMEM;
> + goto unlock;
> + }
>
> /* Queue dentry per client to hold MQD information */
> queue->debugfs_queue = debugfs_create_dir(queue_name,
> filp->debugfs_client);
> --
> 2.50.0
>
