Mutex stays locked on error

[Alex Deucher]

On Tue, Jun 23, 2020 at 5:02 PM John van der Kamp <sjonny at suffe.me.uk> wrote:
>
> Try to mail the patch again, this time inline. Hope this is how you can
> process it.

Can you use git to create the patch (git commit -a -s) and use git to
generate the patch (git format-patch -1) and then send that out?  Make
sure to add your Signed-off-by.  If not, I can just apply it on your
behalf if you are ok with that.

Alex

>
> John
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
> index dcf84a61de37..949d10ef8304 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
> @@ -510,8 +510,10 @@ static ssize_t srm_data_read(struct file *filp, struct kobject *kobj, struct bin
>
>         srm = psp_get_srm(work->hdcp.config.psp.handle, &srm_version, &srm_size);
>
> -       if (!srm)
> -               return -EINVAL;
> +       if (!srm) {
> +               ret = -EINVAL;
> +               goto ret;
> +       }
>
>         if (pos >= srm_size)
>                 ret = 0;
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