linux-kernel - [PATCH -next] greybus/audio_helper: Add missing unlock to avoid mismatched lock

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 21 Dec 2020 21:02:46 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <johan@...nel.org>, <elder@...nel.org>,
        <gregkh@...uxfoundation.org>, <greybus-dev@...ts.linaro.org>,
        <devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH -next] greybus/audio_helper: Add missing unlock to avoid mismatched lock

Fix a missing unlock in the error branch.

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/staging/greybus/audio_helper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/greybus/audio_helper.c b/drivers/staging/greybus/audio_helper.c
index 237531ba60f3..293675dbea10 100644
--- a/drivers/staging/greybus/audio_helper.c
+++ b/drivers/staging/greybus/audio_helper.c
@@ -135,6 +135,7 @@ int gbaudio_dapm_free_controls(struct snd_soc_dapm_context *dapm,
 		if (!w) {
 			dev_err(dapm->dev, "%s: widget not found\n",
 				widget->name);
+			mutex_unlock(&dapm->card->dapm_mutex);
 			return -EINVAL;
 		}
 		widget++;
-- 
2.22.0