On Wed, 2012-07-25 at 16:22 +0200, Rafał Miłecki wrote:
> 2012/7/25 Joe Perches <joe@xxxxxxxxxxx>:
> > On Wed, 2012-07-25 at 16:47 +0200, Rafał Miłecki wrote:
> >> use PHY names instead of magic numbers.
> > []
> >> diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
> > []
> >> @@ -4277,6 +4277,37 @@ out:
> > []
> >> +static char *b43_phy_name(struct b43_wldev *dev, u8 phy_type)
> >> +{
> >> + switch (phy_type) {
> >> + case B43_PHYTYPE_A:
> >> + return "A";
> > []
> >> + }
> >> +
> >> + b43err(dev->wl, "Unknown PHY Type: %d\n", phy_type);
> >> + return "UNKNOWN";
> >
> > In general, it's a bad idea to emit error messages
> > in a generic call like this.
>
> This function is not supposed to be called anywhere else, it's only
> for a single user-friendly message.
>
>
> >> @@ -4337,13 +4368,12 @@ static int b43_phy_versioning(struct b43_wldev *dev)
> >> unsupported = 1;
> >> }
> >> if (unsupported) {
> >> - b43err(dev->wl, "FOUND UNSUPPORTED PHY "
> >> - "(Analog %u, Type %u, Revision %u)\n",
> >> - analog_type, phy_type, phy_rev);
> >> + b43err(dev->wl, "FOUND UNSUPPORTED PHY (Analog %u, Type %s, Revision %u)\n",
> >> + analog_type, b43_phy_name(dev, phy_type), phy_rev);
> >
> > The extra message doesn't add much useful info
> > and can also cause errors in continued messages.
>
> By "extra message" do you mean the one from b43_phy_name? I wanted to
> print PHY type as digit somewhere (in case it is not recognized). I
> can't use simple
> return ("UNKNOWN %d", phy_type);
> , such a solution would require allocating memory for string and
> freeing it. It would complicate the function.
>
> Do you have any suggestion for better handling this?
>
Change the UNSUPPORTED PHY message to
"...Type: %d:(%s)...",
..., phy_type, b43_phy_name(dev, phy_type), ...
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