linux-kernel - Re: [PATCH] btrfs: fix a NULL pointer dereference

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Message-ID: <20190325163538.GK10640@twin.jikos.cz>
Date:   Mon, 25 Mar 2019 17:35:38 +0100
From:   David Sterba <dsterba@...e.cz>
To:     Kangjie Lu <kjlu@....edu>
Cc:     pakki001@....edu, Chris Mason <clm@...com>,
        Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] btrfs: fix a NULL pointer dereference

On Thu, Mar 14, 2019 at 02:50:40AM -0500, Kangjie Lu wrote:
> btrfs_lookup_block_group may fail and return NULL. The fix goes
> to out when it fails to avoid NULL pointer dereference.

The subject, changelog and code change are not valid anymore after the
discussion. Please update them accordingly and resend. Thanks.