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From: Will Deacon <will.deacon@arm.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Nicholas Mc Guire <hofrat@osadl.org>
Subject: Re: [PATCH] perf: arm_spe: handle devm_kasprintf() failure
Date: Thu, 29 Nov 2018 16:01:06 +0000	[thread overview]
Message-ID: <20181129160105.GA4546@arm.com> (raw)
In-Reply-To: <20181129121432.2ntsfhp2s43gyvfx@lakrids.cambridge.arm.com>

On Thu, Nov 29, 2018 at 12:14:32PM +0000, Mark Rutland wrote:
> On Wed, Nov 28, 2018 at 12:24:47PM +0100, Nicholas Mc Guire wrote:
> > diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
> > index 54ec278..f1ea00c 100644
> > --- a/drivers/perf/arm_spe_pmu.c
> > +++ b/drivers/perf/arm_spe_pmu.c
> > @@ -927,6 +927,11 @@ static int arm_spe_pmu_perf_init(struct arm_spe_pmu *spe_pmu)
> >  
> >  	idx = atomic_inc_return(&pmu_idx);
> >  	name = devm_kasprintf(dev, GFP_KERNEL, "%s_%d", PMUNAME, idx);
> > +	if (!name) {
> > +		dev_err(dev, "Allocation of name failed\n");
> > +		return -ENOMEM;
> > +	}
> 
> In the other dev_err() messages, we use the form "failed to ...", e.g.
> 
> 	"failed to get IRQ (%d)\n"
> 	"failed to get PPI partition (%d)\n
> 	"failed to allocate spe_pmu\n"
> 
> ... so for consistency could you please change the string to:
> 
> 	"failed to allocate spe_pmu name\n"
> 
> With that, feel free to add:
> 
> Acked-by: Mark Rutland <mark.rutland@arm.com>

Thanks, I've queued this for 4.21 with a tweaked error message.

Will

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WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Nicholas Mc Guire <hofrat@osadl.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf: arm_spe: handle devm_kasprintf() failure
Date: Thu, 29 Nov 2018 16:01:06 +0000	[thread overview]
Message-ID: <20181129160105.GA4546@arm.com> (raw)
In-Reply-To: <20181129121432.2ntsfhp2s43gyvfx@lakrids.cambridge.arm.com>

On Thu, Nov 29, 2018 at 12:14:32PM +0000, Mark Rutland wrote:
> On Wed, Nov 28, 2018 at 12:24:47PM +0100, Nicholas Mc Guire wrote:
> > diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
> > index 54ec278..f1ea00c 100644
> > --- a/drivers/perf/arm_spe_pmu.c
> > +++ b/drivers/perf/arm_spe_pmu.c
> > @@ -927,6 +927,11 @@ static int arm_spe_pmu_perf_init(struct arm_spe_pmu *spe_pmu)
> >  
> >  	idx = atomic_inc_return(&pmu_idx);
> >  	name = devm_kasprintf(dev, GFP_KERNEL, "%s_%d", PMUNAME, idx);
> > +	if (!name) {
> > +		dev_err(dev, "Allocation of name failed\n");
> > +		return -ENOMEM;
> > +	}
> 
> In the other dev_err() messages, we use the form "failed to ...", e.g.
> 
> 	"failed to get IRQ (%d)\n"
> 	"failed to get PPI partition (%d)\n
> 	"failed to allocate spe_pmu\n"
> 
> ... so for consistency could you please change the string to:
> 
> 	"failed to allocate spe_pmu name\n"
> 
> With that, feel free to add:
> 
> Acked-by: Mark Rutland <mark.rutland@arm.com>

Thanks, I've queued this for 4.21 with a tweaked error message.

Will

  reply	other threads:[~2018-11-29 16:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-28 11:24 [PATCH] perf: arm_spe: handle devm_kasprintf() failure Nicholas Mc Guire
2018-11-28 11:24 ` Nicholas Mc Guire
2018-11-29 12:14 ` Mark Rutland
2018-11-29 16:01   ` Will Deacon [this message]
2018-11-29 16:01     ` Will Deacon

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