linux-kernel - RE: [Patch v5 12/12] RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter

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Date:   Tue, 20 Sep 2022 18:22:06 +0000
From:   Long Li <longli@...rosoft.com>
To:     Dexuan Cui <decui@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Leon Romanovsky <leon@...nel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "shiraz.saleem@...el.com" <shiraz.saleem@...el.com>,
        Ajay Sharma <sharmaajay@...rosoft.com>
CC:     "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
Subject: RE: [Patch v5 12/12] RDMA/mana_ib: Add a driver for Microsoft Azure
 Network Adapter

> Subject: RE: [Patch v5 12/12] RDMA/mana_ib: Add a driver for Microsoft
> Azure Network Adapter
> 
> > From: longli@...uxonhyperv.com <longli@...uxonhyperv.com>
> > Sent: Tuesday, August 30, 2022 5:35 PM
> > To: KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang ...
> > From: Long Li <longli@...rosoft.com>
> >
> > Add a RDMA VF driver for Microsoft Azure Network Adapter (MANA).
> >
> > Signed-off-by: Long Li <longli@...rosoft.com> ...
> 
> Reviewed-by: Dexuan Cui <decui@...rosoft.com>
> 
> The patch looks good to me. Just a few small nitpicks (see the below).
> 
> > +static int mana_ib_probe(struct auxiliary_device *adev,
> > +			 const struct auxiliary_device_id *id) {
> > +	struct mana_adev *madev = container_of(adev, struct mana_adev,
> adev);
> > +	struct gdma_dev *mdev = madev->mdev;
> > +	struct mana_context *mc;
> > +	struct mana_ib_dev *dev;
> > +	int ret = 0;
> 
> Small nitpick: the 'ret' doesn't have to be initialized to 0.

Will fix this. 

> 
> > +int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct
> > ib_umem *umem,
> > +				 mana_handle_t *gdma_region, u64 page_sz)
> {
> > ...
> > +
> > +if (!err)
> > +	return 0;
> 
> Please add a Tab character to the above 2 lines.

Will fix this.

Thank you,
Long