From: Al Stone <ahs3@redhat.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>
Subject: Re: [PATCH 1/3] ACPI: fix incorrect counts returned by acpi_parse_entries_array()
Date: Fri, 1 Jul 2016 15:36:44 -0600 [thread overview]
Message-ID: <719ba3ec-4a05-6ddc-3fbc-8b6d8eab9807@redhat.com> (raw)
In-Reply-To: <CAJZ5v0h2_uRYNC-+naQuycNUS86fNy0zO_vAXarfM006sMWEwQ@mail.gmail.com>
On 07/01/2016 03:25 PM, Rafael J. Wysocki wrote:
> On Fri, Jul 1, 2016 at 11:21 PM, Al Stone <ahs3@redhat.com> wrote:
>> The static function acpi_parse_entries_array() is provided an array of
>> type struct acpi_subtable_proc that has a callback function and a count.
>> The count should reflect how many times the callback has been successfully
>> called. However, the current code only increments the 0th element of the
>> array, regardless of the number of entries in the array, or which callback
>> has been invoked. The fix is to use the index into the array, instead of
>> a pointer to the beginning of the array.
>
> OK, so it would be good to say what the consequences of the problem are too.
>
Hrm. So replace the last sentence with something like:
The fix is to use the index into the array, instead of
a pointer to the beginning of the array, so that the count
for each element in the array in incremented by the
corresponding callback.
That feels a little clunky but is it closer to what you were
thinking?
Thanks for the review!
--
ciao,
al
-----------------------------------
Al Stone
Software Engineer
Red Hat, Inc.
ahs3@redhat.com
-----------------------------------
next prev parent reply other threads:[~2016-07-01 21:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-01 21:21 [PATCH 0/3] Correct errors in acpi_parse_entries_array() Al Stone
2016-07-01 21:21 ` [PATCH 1/3] ACPI: fix incorrect counts returned by acpi_parse_entries_array() Al Stone
2016-07-01 21:25 ` Rafael J. Wysocki
2016-07-01 21:36 ` Al Stone [this message]
2016-07-01 21:44 ` Rafael J. Wysocki
2016-07-01 21:50 ` Al Stone
2016-07-01 21:56 ` Rafael J. Wysocki
2016-07-01 22:38 ` Al Stone
2016-07-01 21:21 ` [PATCH 2/3] ACPI: fix acpi_parse_entries_array() so it traverses all subtables Al Stone
2016-07-01 21:32 ` Rafael J. Wysocki
2016-07-01 21:41 ` Al Stone
2016-07-01 21:46 ` Rafael J. Wysocki
2016-07-01 21:55 ` Al Stone
2016-07-01 22:01 ` Rafael J. Wysocki
2016-07-01 23:07 ` Al Stone
2016-07-01 23:27 ` Rafael J. Wysocki
2016-07-01 21:21 ` [PATCH 3/3] ACPI: fix acpi_parse_entries_array() so it reports overflow correctly Al Stone
2016-07-01 21:40 ` Rafael J. Wysocki
2016-07-01 21:44 ` Al Stone
2016-07-01 21:54 ` Rafael J. Wysocki
2016-07-01 22:38 ` Al Stone
2016-07-01 22:45 ` Rafael J. Wysocki
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