[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <02922d47-6bb9-4865-b13f-b3a6972853a6@redhat.com>
Date: Wed, 1 May 2024 20:19:23 +1000
From: Gavin Shan <gshan@...hat.com>
To: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra <peterz@...radead.org>,
linux-pm@...r.kernel.org, loongarch@...ts.linux.dev,
linux-acpi@...r.kernel.org, linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
kvmarm@...ts.linux.dev, x86@...nel.org, Russell King
<linux@...linux.org.uk>, "Rafael J . Wysocki" <rafael@...nel.org>,
Miguel Luis <miguel.luis@...cle.com>, James Morse <james.morse@....com>,
Salil Mehta <salil.mehta@...wei.com>,
Jean-Philippe Brucker <jean-philippe@...aro.org>,
Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
Marc Zyngier <maz@...nel.org>, Hanjun Guo <guohanjun@...wei.com>
Cc: Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>, linuxarm@...wei.com,
justin.he@....com, jianyong.wu@....com
Subject: Re: [PATCH v9 05/19] ACPI: processor: Fix memory leaks in error paths
of processor_add()
On 5/1/24 00:24, Jonathan Cameron wrote:
> If acpi_processor_get_info() returned an error, pr and the associated
> pr->throttling.shared_cpu_map were leaked.
>
> The unwind code was in the wrong order wrt to setup, relying on
> some unwind actions having no affect (clearing variables that were
> never set etc). That makes it harder to reason about so reorder
> and add appropriate labels to only undo what was actually set up
> in the first place.
>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
>
> ---
> v9: New patch in response to Gavin noticing a memory leak later in the
> series.
> ---
> drivers/acpi/acpi_processor.c | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
Reviewed-by: Gavin Shan <gshan@...hat.com>
Powered by blists - more mailing lists