linux-kernel - Re: [PATCH v2] IB/mlx5: fix debugfs cleanup

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Message-ID: <1506100680.5172.7.camel@redhat.com>
Date:   Fri, 22 Sep 2017 13:18:00 -0400
From:   Doug Ledford <dledford@...hat.com>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Matan Barak <matanb@...lanox.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        Sean Hefty <sean.hefty@...el.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH v2] IB/mlx5: fix debugfs cleanup

On Mon, 2017-09-18 at 12:28 +0100, Sudip Mukherjee wrote:
> From: Sudip Mukherjee <sudipm.mukherjee@...il.com>
> 
> If delay_drop_debugfs_init() fails in any of the operations to create
> debugfs, it is calling delay_drop_debugfs_cleanup() as part of its
> cleanup. But delay_drop_debugfs_cleanup() checks for 'dbg' and since
> we have not yet pointed 'dbg' to the debugfs we need to cleanup, the
> cleanup fails and we are left with stray debugfs elements and also a
> memory leak.
> 
> Fixes: 4a5fd5d2965c ("IB/mlx5: Add necessary delay drop assignment")
> Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@...il.com>

Thanks, applied to rc.

-- 
Doug Ledford <dledford@...hat.com>
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