linux-kernel - Re: [PATCH -next] fs: dlm: fix missing unlock on error in accept_from

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Date:   Mon, 29 Mar 2021 13:30:15 -0500
From:   David Teigland <teigland@...hat.com>
To:     Yang Yingliang <yangyingliang@...wei.com>
Cc:     linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Subject: Re: [PATCH -next] fs: dlm: fix missing unlock on error in
 accept_from_sock()

On Sat, Mar 27, 2021 at 04:37:04PM +0800, Yang Yingliang wrote:
> Add the missing unlock before return from accept_from_sock()
> in the error handling case.

Thanks, applied to the next branch.
Dave

> Fixes: 6cde210a9758 ("fs: dlm: add helper for init connection")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
> ---
>  fs/dlm/lowcomms.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
> index 73cc1809050a..166e36fcf3e4 100644
> --- a/fs/dlm/lowcomms.c
> +++ b/fs/dlm/lowcomms.c
> @@ -931,6 +931,7 @@ static int accept_from_sock(struct listen_connection *con)
>  			result = dlm_con_init(othercon, nodeid);
>  			if (result < 0) {
>  				kfree(othercon);
> +				mutex_unlock(&newcon->sock_mutex);
>  				goto accept_err;
>  			}
>  
> -- 
> 2.25.1