linux-kernel - [PATCH] sound: Fix incorrect calculation of object size by sizeof

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Message-Id: <20230530072648.13998-1-luhongfei@vivo.com>
Date:   Tue, 30 May 2023 15:26:48 +0800
From:   Lu Hongfei <luhongfei@...o.com>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        sound-open-firmware@...a-project.org (moderated list:SOUND - SOUND OPEN
        FIRMWARE (SOF) DRIVERS),
        alsa-devel@...a-project.org (moderated list:SOUND - SOC LAYER / DYNAMIC
        AUDIO POWER MANAGEM...), linux-kernel@...r.kernel.org (open list)
Cc:     opensource.kernel@...o.com, luhongfei@...o.com
Subject: [PATCH] sound: Fix incorrect calculation of object size by sizeof

What we need to calculate is the size of the object, not the size of the
pointer. This patch can fix this error.

Signed-off-by: Lu Hongfei <luhongfei@...o.com>
---
 sound/soc/sof/ipc4-topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 mode change 100644 => 100755 sound/soc/sof/ipc4-topology.c

diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index 5abe616a2054..29b6dede53b0
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -220,7 +220,7 @@ static int sof_ipc4_get_audio_fmt(struct snd_soc_component *scomp,
 
 	ret = sof_update_ipc_object(scomp, available_fmt,
 				    SOF_AUDIO_FMT_NUM_TOKENS, swidget->tuples,
-				    swidget->num_tuples, sizeof(available_fmt), 1);
+				    swidget->num_tuples, sizeof(*available_fmt), 1);
 	if (ret) {
 		dev_err(scomp->dev, "Failed to parse audio format token count\n");
 		return ret;
-- 
2.39.0