From: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>
To: Dmitry Monakhov <dmonakhov-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: ib_core: Init subsys if compiled to vmlinuz-core
Date: Fri, 1 Dec 2017 17:02:12 -0700 [thread overview]
Message-ID: <20171202000212.GD20454@ziepe.ca> (raw)
In-Reply-To: <20171127133905.8231-1-dmonakhov-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
On Mon, Nov 27, 2017 at 01:39:05PM +0000, Dmitry Monakhov wrote:
> Once infiniband was compiled as core component it's subsystem must be
> enabled before device initialization. Otherwise this result NULL pointer
> dereference during mlx4_core init, calltrace:
> ->device_add
> if (dev->class) {
> deref dev->class->p =>NULLPTR
>
> #Config
> CONFIG_NET_DEVLINK=y
> CONFIG_MAY_USE_DEVLINK=y
> CONFIG_MLX4_EN=y
>
> Signed-off-by: Dmitry Monakhov <dmonakhov-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
> Reviewed-by: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> drivers/infiniband/core/device.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to for-rc, thanks
Jason
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prev parent reply other threads:[~2017-12-02 0:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 13:39 [PATCH] ib_core: Init subsys if compiled to vmlinuz-core Dmitry Monakhov
[not found] ` <20171127133905.8231-1-dmonakhov-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2017-11-27 13:43 ` Leon Romanovsky
2017-11-29 9:07 ` Dmitry Monakhov
2017-12-02 0:02 ` Jason Gunthorpe [this message]
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