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From: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
To: Majd Dibbiny <majd-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: Dan Carpenter
	<dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [bug report] IB/cma: Add default RoCE TOS to CMA configfs
Date: Tue, 31 Jan 2017 18:02:02 +0200	[thread overview]
Message-ID: <20170131160201.GA20528@yuval-lap.uk.oracle.com> (raw)
In-Reply-To: <01D1013C-F14B-467D-A21E-9EA6214A38F5-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

On Tue, Jan 31, 2017 at 03:32:48PM +0000, Majd Dibbiny wrote:
> 
> > On Jan 31, 2017, at 12:59 PM, Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> wrote:
> > 
> > Hello Majd Dibbiny,
> Hello Daniel,
> 
> Thanks for the report.
> I'll fix and send a new revision soon..

Can you re-base it on top of for-next and use the new inline function
rdma_is_port_valid?

> 
> > 
> > The patch eeec11e5c404: "IB/cma: Add default RoCE TOS to CMA
> > configfs" from Dec 19, 2016, leads to the following static checker
> > warning:
> > 
> >    drivers/infiniband/core/cma.c:303 cma_get_default_roce_tos()
> >    warn: signedness bug returning '(-22)'
> > 
> > drivers/infiniband/core/cma.c
> >   298  
> >   299  u8 cma_get_default_roce_tos(struct cma_device *cma_dev, unsigned int port)
> >   300  {
> >   301          if (port < rdma_start_port(cma_dev->device) ||
> >   302              port > rdma_end_port(cma_dev->device))
> >   303                  return -EINVAL;
> > 
> > This is a u8 function so you can't return negative error codes.
> > 
> >   304  
> >   305          return cma_dev->default_roce_tos[port - rdma_start_port(cma_dev->device)];
> >   306  }
> >   307  
> > 
> > regards,
> > dan carpenter
> --
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      parent reply	other threads:[~2017-01-31 16:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-31 10:59 [bug report] IB/cma: Add default RoCE TOS to CMA configfs Dan Carpenter
2017-01-31 15:32 ` Majd Dibbiny
     [not found]   ` <01D1013C-F14B-467D-A21E-9EA6214A38F5-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-01-31 16:02     ` Yuval Shaia [this message]

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