linux-kernel - [PATCH AUTOSEL 5.15 28/51] accessiblity: speakup: Add missing misc_deregister in softsynth

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Date:   Tue,  7 Jun 2022 13:55:27 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Zheng Bin <zhengbin13@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>, w.d.hubbs@...il.com,
        chris@...-brannons.com, kirk@...sers.ca,
        samuel.thibault@...-lyon.org, trix@...hat.com,
        salah.triki@...il.com, speakup@...ux-speakup.org
Subject: [PATCH AUTOSEL 5.15 28/51] accessiblity: speakup: Add missing misc_deregister in softsynth_probe

From: Zheng Bin <zhengbin13@...wei.com>

[ Upstream commit 106101303eda8f93c65158e5d72b2cc6088ed034 ]

softsynth_probe misses a call misc_deregister() in an error path, this
patch fixes that.

Signed-off-by: Zheng Bin <zhengbin13@...wei.com>
Link: https://lore.kernel.org/r/20220511032937.2736738-1-zhengbin13@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/accessibility/speakup/speakup_soft.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/accessibility/speakup/speakup_soft.c b/drivers/accessibility/speakup/speakup_soft.c
index 19824e7006fe..786dc5d080f3 100644
--- a/drivers/accessibility/speakup/speakup_soft.c
+++ b/drivers/accessibility/speakup/speakup_soft.c
@@ -397,6 +397,7 @@ static int softsynth_probe(struct spk_synth *synth)
 	synthu_device.name = "softsynthu";
 	synthu_device.fops = &softsynthu_fops;
 	if (misc_register(&synthu_device)) {
+		misc_deregister(&synth_device);
 		pr_warn("Couldn't initialize miscdevice /dev/softsynthu.\n");
 		return -ENODEV;
 	}
-- 
2.35.1