Re: [PATCH] staging: fsl-mc: fix coding stye errors

From: Joe Perches
Date: Tue Jan 17 2017 - 03:48:08 EST


On Tue, 2017-01-17 at 11:27 +0300, Dan Carpenter wrote:
> On Tue, Jan 17, 2017 at 09:11:28AM +0100, Dhananjay Balan wrote:
> > Split line at boolean operator.
> >
> > Error was reported by checkpatch.pl as
> > WARNING: Avoid multiple line dereference - prefer 'mc_msi_domain->host_data'
[]
> > diff --git a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c
[]
> > @@ -94,8 +94,8 @@ int __init its_fsl_mc_msi_init(void)
> > continue;
> > }
> >
> > - WARN_ON(mc_msi_domain->
> > - host_data != &its_fsl_mc_msi_domain_info);
> > + WARN_ON(mc_msi_domain->host_data !=
> > + &its_fsl_mc_msi_domain_info);
>
> Better to line it up like this:
>
> WARN_ON(mc_msi_domain->host_data !=
> &its_fsl_mc_msi_domain_info);

At 81 chars, it might be better on a single line instead.

WARN_ON(mc_msi_domain->host_data != &its_fsl_mc_msi_domain_info);

It also might be better to shorten some of the identifiers.