linux-kernel - [PATCH -next] accessiblity: speakup: Add missing misc_deregister in softsynth

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Message-ID: <20220511032937.2736738-1-zhengbin13@huawei.com>
Date:   Wed, 11 May 2022 11:29:37 +0800
From:   Zheng Bin <zhengbin13@...wei.com>
To:     <gregkh@...uxfoundation.org>, <salah.triki@...il.com>,
        <trix@...hat.com>, <speakup@...ux-speakup.org>,
        <linux-kernel@...r.kernel.org>
CC:     <zhengbin13@...wei.com>, <gaochao49@...wei.com>
Subject: [PATCH -next] accessiblity: speakup: Add missing misc_deregister in softsynth_probe

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

Signed-off-by: Zheng Bin <zhengbin13@...wei.com>
---
 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 1ced2721513e..99f1d4ac426a 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;
 	}
--
2.31.1