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Date:   Mon, 25 Apr 2022 07:53:37 +0200
Message-ID: <s5h4k2hso7y.wl-tiwai@suse.de>
From:   Takashi Iwai <tiwai@suse.de>
To:     Colin Ian King <colin.i.king@gmail.com>
Cc:     Takashi Iwai <tiwai@suse.com>, alsa-devel@alsa-project.org,
        kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ALSA: pcm: Check for null pointer of pointer substream before dereferencing it
In-Reply-To: <20220424205945.1372247-1-colin.i.king@gmail.com>
References: <20220424205945.1372247-1-colin.i.king@gmail.com>
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On Sun, 24 Apr 2022 22:59:45 +0200,
Colin Ian King wrote:
> 
> Pointer substream is being dereferenced on the assignment of pointer card
> before substream is being null checked with the macro PCM_RUNTIME_CHECK.
> Although PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the
> the pointer check before card is assigned.
> 
> Fixes: commit d4cfb30fce03 ("ALSA: pcm: Set per-card upper limit of PCM buffer allocations")
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>

Thanks, applied with the correction of Fixes tag.


Takashi