> > diff --git a/drivers/infiniband/core/mad.c
> > b/drivers/infiniband/core/mad.c index 819b794..a6a33cf 100644
> > --- a/drivers/infiniband/core/mad.c
> > +++ b/drivers/infiniband/core/mad.c
> > @@ -2924,6 +2924,12 @@ static int ib_mad_port_open(struct ib_device
> *device,
> > char name[sizeof "ib_mad123"];
> > int has_smi;
> >
> > + if (device->cached_dev_attrs.max_mad_size < IB_MGMT_MAD_SIZE) {
> > + dev_err(&device->dev, "Min MAD size for device is %u\n",
> > + IB_MGMT_MAD_SIZE);
> > + return -EFAULT;
> > + }
> > +
>
> The printk message here is not very informative and it qualifies as an error.
> Someone reading that for the first time in the dmesg output and wondering
> why their device isn't working will be confused if they don't know about the
> mad size changes you are making here. Something like "max supported MAD
> size (%u) < min required by ib_mad (%u), ignoring dev \n"
Good suggestion.
Fixed for v5 with this message.
+ dev_err(&device->dev,
+ "Max supported MAD size (%u) < min required by ib_mad (%u), ignoring device (%s)\n",
+ device->cached_dev_attrs.max_mad_size,
+ IB_MGMT_MAD_SIZE, device->name);
Ira
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