Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Wed, 15 Aug 2018 13:51:38 +0200
From:   David Sterba <dsterba@suse.cz>
To:     zhong jiang <zhongjiang@huawei.com>
Cc:     clm@fb.com, jbacik@fb.com, dsterba@suse.com,
        linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] btrfs:free-space-cache: remove unneeded NULL check
 before kfree
Message-ID: <20180815115137.GJ24025@twin.jikos.cz>
Reply-To: dsterba@suse.cz
Mail-Followup-To: dsterba@suse.cz, zhong jiang <zhongjiang@huawei.com>,
        clm@fb.com, jbacik@fb.com, dsterba@suse.com,
        linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
References: <1534140369-11578-1-git-send-email-zhongjiang@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1534140369-11578-1-git-send-email-zhongjiang@huawei.com>
User-Agent: Mutt/1.5.23.1 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, Aug 13, 2018 at 02:06:08PM +0800, zhong jiang wrote:
> Kfree has taken the null pointer into account. So remove the check
> before kfree.
> 
> The issue is detected with the help of Coccinelle.
> 
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>

Added to misc-next, thanks.