linux-kernel - Re: [PATCH] ALSA: compat_ioctl: use correct snd_ctl_elem_type

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Date:   Wed, 17 May 2023 17:02:14 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Min-Hua Chen <minhuadotchen@...il.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: compat_ioctl: use correct snd_ctl_elem_type_t type

On Wed, 17 May 2023 00:38:05 +0200,
Min-Hua Chen wrote:
> 
> SNDRV_CTL_ELEM_TYPE_* are type of snd_ctl_elem_type_t, we
> have to __force cast them to int when comparing them with int
> to fix the following sparse warnings.
> 
> sound/core/control_compat.c:203:14: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
> sound/core/control_compat.c:205:14: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
> sound/core/control_compat.c:207:14: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
> sound/core/control_compat.c:209:14: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
> sound/core/control_compat.c:237:21: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
> sound/core/control_compat.c:238:21: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
> sound/core/control_compat.c:270:21: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
> sound/core/control_compat.c:271:21: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
> 
> Signed-off-by: Min-Hua Chen <minhuadotchen@...il.com>

Thanks, applied.


Takashi