ASoC: fsl-asoc-card: Set .owner attribute when registering card.
authorNicolas Cavallari <nicolas.cavallari@green-communications.fr>
Thu, 27 May 2021 16:34:09 +0000 (18:34 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 23 Jun 2021 12:42:48 +0000 (14:42 +0200)
[ Upstream commit a8437f05384cb472518ec21bf4fffbe8f0a47378 ]

Otherwise, when compiled as module, a WARN_ON is triggered:

WARNING: CPU: 0 PID: 5 at sound/core/init.c:208 snd_card_new+0x310/0x39c [snd]
[...]
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.10.39 #1
Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
Workqueue: events deferred_probe_work_func
[<c0111988>] (unwind_backtrace) from [<c010c8ac>] (show_stack+0x10/0x14)
[<c010c8ac>] (show_stack) from [<c092784c>] (dump_stack+0xdc/0x104)
[<c092784c>] (dump_stack) from [<c0129710>] (__warn+0xd8/0x114)
[<c0129710>] (__warn) from [<c0922a48>] (warn_slowpath_fmt+0x5c/0xc4)
[<c0922a48>] (warn_slowpath_fmt) from [<bf0496f8>] (snd_card_new+0x310/0x39c [snd])
[<bf0496f8>] (snd_card_new [snd]) from [<bf1d7df8>] (snd_soc_bind_card+0x334/0x9c4 [snd_soc_core])
[<bf1d7df8>] (snd_soc_bind_card [snd_soc_core]) from [<bf1e9cd8>] (devm_snd_soc_register_card+0x30/0x6c [snd_soc_core])
[<bf1e9cd8>] (devm_snd_soc_register_card [snd_soc_core]) from [<bf22d964>] (fsl_asoc_card_probe+0x550/0xcc8 [snd_soc_fsl_asoc_card])
[<bf22d964>] (fsl_asoc_card_probe [snd_soc_fsl_asoc_card]) from [<c060c930>] (platform_drv_probe+0x48/0x98)
[...]

Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20210527163409.22049-1-nicolas.cavallari@green-communications.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
sound/soc/fsl/fsl-asoc-card.c

index a2dd3b6..7cd14d6 100644 (file)
@@ -720,6 +720,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
        /* Initialize sound card */
        priv->pdev = pdev;
        priv->card.dev = &pdev->dev;
+       priv->card.owner = THIS_MODULE;
        ret = snd_soc_of_parse_card_name(&priv->card, "model");
        if (ret) {
                snprintf(priv->name, sizeof(priv->name), "%s-audio",