linux-kernel - [PATCH 09/18] autofs: Don't fail to free_dev

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Date:	Fri, 12 Aug 2016 10:48:15 +0800
From:	Ian Kent <raven@...maw.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Tomohiro Kusumi <kusumi.tomohiro@...il.com>,
	autofs mailing list <autofs@...r.kernel.org>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH 09/18] autofs: Don't fail to free_dev_ioctl(param)

From: Tomohiro Kusumi <kusumi.tomohiro@...il.com>

Returning -ENOTTY here fails to free dynamically allocated param.

Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@...il.com>
Signed-off-by: Ian Kent <ikent@...hat.com>
---
 fs/autofs4/dev-ioctl.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index c7fcc74..d47b35a 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -662,7 +662,8 @@ static int _autofs_dev_ioctl(unsigned int command,
 	fn = lookup_dev_ioctl(cmd);
 	if (!fn) {
 		pr_warn("unknown command 0x%08x\n", command);
-		return -ENOTTY;
+		err = -ENOTTY;
+		goto out;
 	}
 
 	fp = NULL;