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Date: Tue, 10 Dec 2024 17:52:37 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Bernard Metzler <bmt@zurich.ibm.com>, linux-rdma@vger.kernel.org,
 leon@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
 syzkaller-bugs@googlegroups.com, zyjzyj2000@gmail.com,
 syzbot+4b87489410b4efd181bf@syzkaller.appspotmail.com
Subject: Re: [PATCH] RDMA/siw: Remove direct link to net_device
Message-ID: <20241210175237.3342a9eb@kernel.org>
In-Reply-To: <20241210145627.GH1888283@ziepe.ca>
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	<20241210145627.GH1888283@ziepe.ca>
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On Tue, 10 Dec 2024 10:56:27 -0400 Jason Gunthorpe wrote:
> >  struct siw_device {
> >  	struct ib_device base_dev;
> > -	struct net_device *netdev;
> >  	struct siw_dev_cap attrs;
> >  
> >  	u32 vendor_part_id;
> > +	struct {
> > +		int ifindex;  
> 
> ifindex is only stable so long as you are holding a reference on the
> netdev..

Does not compute. Can you elaborate what you mean, Jason?