linux-kernel - Re: [PATCH] [Trivial] qib: fix an incorrect message

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Date:	Thu, 19 Jul 2012 12:11:50 -0700
From:	Joe Perches <joe@...ches.com>
To:	Betty Dall <betty.dall@...com>
Cc:	trivial@...nel.org, linux-kernel@...r.kernel.org,
	linux-rdma@...r.kernel.org, infinipath@...gic.com,
	roland@...nel.org, sean.hefty@...el.com, hal.rosenstock@...il.com
Subject: Re: [PATCH] [Trivial] qib: fix an incorrect message

On Thu, 2012-07-19 at 12:56 -0600, Betty Dall wrote:
> Thanks for the comment Joe. It looks like Roland already accepted the
> trivial change.

No worries.

> On Thu, 2012-07-19 at 11:03 -0700, Joe Perches wrote:
> > On Thu, 2012-07-19 at 13:34 -0600, Betty Dall wrote:
[]
> > > diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
> > []
> > > @@ -725,7 +725,7 @@ qib_pci_mmio_enabled(struct pci_dev *pdev)
> > >  static pci_ers_result_t
> > >  qib_pci_slot_reset(struct pci_dev *pdev)
> > >  {
> > > -	qib_devinfo(pdev, "QIB link_reset function called, ignored\n");
> > > +	qib_devinfo(pdev, "QIB slot_reset function called, ignored\n");
> > 
> > These sorts of typos can be avoided by using "%s: ", __func__
> > 
> > 	qib_devinfo(pdev, "QIB %s: called, ignored\n", __func__);
>
> You are right about using __func__. That is what I use typically too. In
> this file, none of the qib_devinfo() messages use __func__, so I stuck
> with the trivial change for consistency. I could write another patch
> that makes use of __func__ for all the appropriate qib_devinfo() calls
> (there are 4 of them.) Do you think that is a worthwhile change? BTW, I
> did review all the other qib_devinfo() calls to make sure they are using
> the correct function names, and they look good.

Thanks for checking Betty.

It's hard for me to answer, I'm not the maintainer.
Maybe Roland has a preference.

I'd probably rename qib_devinfo to qib_info or qib_pdev_info
(adding an _ before info for consistency) and change the
macro definitions removing the unnecessary do {} while (0).

Single statement macros don't need to be:

#define macro(fmt, ...)					\
	do {						\
		single_stmt(fmt, ##__VA_ARGS__);	\
	} while (0)

and are probably better as:

#define macro(fmt, ...)					\
	single_stmt(fmt, ##__VA_ARGS__)

cheers, Joe

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