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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 01/20] clk: shmobile: r8a7779: Add clocks support
Date: Sun, 02 Mar 2014 11:51:51 +0000	[thread overview]
Message-ID: <CAMuHMdWE4jpQY32BvD8FyZD=LMtAAXZkMG=KR6usLoO4N7Qrjw@mail.gmail.com> (raw)
In-Reply-To: <3584854.kj2ZbTBvnM@avalon>

On Sun, Mar 2, 2014 at 12:35 PM, Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
> On Saturday 01 March 2014 14:50:03 Wolfram Sang wrote:
>> > +   cpg = kzalloc(sizeof(*cpg), GFP_KERNEL);
>> > +   clks = kzalloc(CPG_NUM_CLOCKS * sizeof(*clks), GFP_KERNEL);
>> > +   if (cpg = NULL || clks = NULL) {
>> > +           /* We're leaking memory on purpose, there's no point in cleaning
>> > +            * up as the system won't boot anyway.
>> > +            */
>> > +           pr_err("%s: failed to allocate cpg\n", __func__);
>> > +           return;
>> > +   }
>>
>> I have problems with this sloppiness. Writing the comment took probably
>> the same time as writing the proper exit path :) On the drawback side,
>> static code checkers will keep reporting this.
>
> Then static code checkers should be fixed :-) or at least provide an override.
> Given that the system won't boot if this fails I don't see a point in adding
> useless code to the kernel that would just result in a larger binary size.

If binary size is what matters, I think you can remove the pr_err(), too,
as the kzalloc() above will scream, won't it?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

WARNING: multiple messages have this Message-ID (diff)
From: geert@linux-m68k.org (Geert Uytterhoeven)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 01/20] clk: shmobile: r8a7779: Add clocks support
Date: Sun, 2 Mar 2014 12:51:51 +0100	[thread overview]
Message-ID: <CAMuHMdWE4jpQY32BvD8FyZD=LMtAAXZkMG=KR6usLoO4N7Qrjw@mail.gmail.com> (raw)
In-Reply-To: <3584854.kj2ZbTBvnM@avalon>

On Sun, Mar 2, 2014 at 12:35 PM, Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
> On Saturday 01 March 2014 14:50:03 Wolfram Sang wrote:
>> > +   cpg = kzalloc(sizeof(*cpg), GFP_KERNEL);
>> > +   clks = kzalloc(CPG_NUM_CLOCKS * sizeof(*clks), GFP_KERNEL);
>> > +   if (cpg == NULL || clks == NULL) {
>> > +           /* We're leaking memory on purpose, there's no point in cleaning
>> > +            * up as the system won't boot anyway.
>> > +            */
>> > +           pr_err("%s: failed to allocate cpg\n", __func__);
>> > +           return;
>> > +   }
>>
>> I have problems with this sloppiness. Writing the comment took probably
>> the same time as writing the proper exit path :) On the drawback side,
>> static code checkers will keep reporting this.
>
> Then static code checkers should be fixed :-) or at least provide an override.
> Given that the system won't boot if this fails I don't see a point in adding
> useless code to the kernel that would just result in a larger binary size.

If binary size is what matters, I think you can remove the pr_err(), too,
as the kzalloc() above will scream, won't it?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

  reply	other threads:[~2014-03-02 11:51 UTC|newest]

Thread overview: 118+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-26  7:33 [PATCH v3 00/20] ARM: shmobile: r8a7779, marzen: CCF and multiplatform Simon Horman
2014-02-26  7:33 ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 01/20] clk: shmobile: r8a7779: Add clocks support Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  8:05   ` Geert Uytterhoeven
2014-02-26  8:05     ` Geert Uytterhoeven
2014-02-26  8:59     ` Simon Horman
2014-02-26  8:59       ` Simon Horman
2014-02-26  9:06       ` Geert Uytterhoeven
2014-02-26  9:06         ` Geert Uytterhoeven
2014-02-28  1:35         ` Simon Horman
2014-02-28  1:35           ` Simon Horman
2014-02-26 12:53   ` Laurent Pinchart
2014-02-26 12:53     ` Laurent Pinchart
2014-02-26 13:02     ` Laurent Pinchart
2014-02-26 13:02       ` Laurent Pinchart
2014-03-12  7:55       ` Simon Horman
2014-03-12  7:55         ` Simon Horman
2014-03-12 10:12         ` Laurent Pinchart
2014-03-12 10:12           ` Laurent Pinchart
2014-03-13  2:22           ` Simon Horman
2014-03-13  2:22             ` Simon Horman
2014-03-13  9:07             ` Laurent Pinchart
2014-03-13  9:07               ` Laurent Pinchart
2014-03-14  0:38               ` Simon Horman
2014-03-14  0:38                 ` Simon Horman
2014-03-01 13:50   ` Wolfram Sang
2014-03-01 13:50     ` Wolfram Sang
2014-03-01 17:33     ` Geert Uytterhoeven
2014-03-01 17:33       ` Geert Uytterhoeven
2014-03-02 11:35     ` Laurent Pinchart
2014-03-02 11:35       ` Laurent Pinchart
2014-03-02 11:51       ` Geert Uytterhoeven [this message]
2014-03-02 11:51         ` Geert Uytterhoeven
2014-03-02 11:59       ` Wolfram Sang
2014-03-02 11:59         ` Wolfram Sang
2014-02-26  7:33 ` [PATCH v3 02/20] clk: shmobile: r8a7779: Add MSTP clock support Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26 12:53   ` Laurent Pinchart
2014-02-26 12:53     ` Laurent Pinchart
2014-02-26  7:33 ` [PATCH v3 03/20] ARM: shmobile: r8a7779: Add clock index macros for DT sources Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26 12:56   ` Laurent Pinchart
2014-02-26 12:56     ` Laurent Pinchart
2014-02-26  7:33 ` [PATCH v3 04/20] ARM: shmobile: r8a7779: Add clocks Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  8:13   ` Geert Uytterhoeven
2014-02-26  8:13     ` Geert Uytterhoeven
2014-02-26  8:55     ` Simon Horman
2014-02-26  8:55       ` Simon Horman
2014-02-26 13:15   ` Laurent Pinchart
2014-02-26 13:15     ` Laurent Pinchart
2014-03-12  8:40     ` Simon Horman
2014-03-12  8:40       ` Simon Horman
2014-02-26 14:45   ` Laurent Pinchart
2014-02-26 14:45     ` Laurent Pinchart
2014-03-12  8:43     ` Simon Horman
2014-03-12  8:43       ` Simon Horman
2014-03-01 14:29   ` Wolfram Sang
2014-03-01 14:29     ` Wolfram Sang
2014-02-26  7:33 ` [PATCH v3 05/20] ARM: shmobile: Sync Marzen DTS with Marzen reference DTS Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26 13:17   ` Laurent Pinchart
2014-02-26 13:17     ` Laurent Pinchart
2014-02-26  7:33 ` [PATCH v3 06/20] ARM: shmobile: marzen: Specify external clock frequency in DT Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26 13:19   ` Laurent Pinchart
2014-02-26 13:19     ` Laurent Pinchart
2014-02-26  7:33 ` [PATCH v3 07/20] ARM: shmobile: marzen: Reference clocks Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26 13:20   ` Laurent Pinchart
2014-02-26 13:20     ` Laurent Pinchart
2014-02-26 14:23   ` Sergei Shtylyov
2014-02-26 15:23     ` Sergei Shtylyov
2014-03-13  0:09     ` Simon Horman
2014-03-13  0:09       ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 08/20] ARM: shmobile: r8a7779: " Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26 13:21   ` Laurent Pinchart
2014-02-26 13:21     ` Laurent Pinchart
2014-02-26  7:33 ` [PATCH v3 09/20] ARM: shmobile: r8a7779: Add helper to read mode pins Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 10/20] ARM: shmobile: r8a7779: Move r8a7779_earlytimer_init to clock-r8a7779.c Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 11/20] ARM: shmobile: marzen-reference: Move clock and OF device initialisation into board Simon Horman
2014-02-26  7:33   ` [PATCH v3 11/20] ARM: shmobile: marzen-reference: Move clock and OF device initialisation into board code Simon Horman
2014-02-26  7:33 ` [PATCH v3 12/20] ARM: shmobile: r8a7779: Do not include sh_clk.h in r8a7779.h Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 13/20] ARM: shmobile: r8a7779: Initial multiplatform support Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 14/20] ARM: shmobile: marzen-reference: Initialize CPG device Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26 13:22   ` Laurent Pinchart
2014-02-26 13:22     ` Laurent Pinchart
2014-02-26  7:33 ` [PATCH v3 15/20] ARM: shmobile: marzen-reference: Instantiate clkdevs for SCIF and TMU Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  8:29   ` Geert Uytterhoeven
2014-02-26  8:29     ` Geert Uytterhoeven
2014-02-26  8:56     ` Simon Horman
2014-02-26  8:56       ` Simon Horman
2014-02-26 13:24   ` Laurent Pinchart
2014-02-26 13:24     ` Laurent Pinchart
2014-03-13  0:03     ` Simon Horman
2014-03-13  0:03       ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 16/20] ARM: shmobile: marzen: Add to shmobile defconfig Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 17/20] ARM: shmobile: Remove non-multiplatform Marzen reference support Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 18/20] ARM: shmobile: Let Marzen multiplatform boot with Marzen DTB Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 19/20] ARM: shmobile: Remove Marzen reference DTS Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  7:33 ` [PATCH v3 20/20] ARM: shmobile: marzen-reference: Remove legacy clock support Simon Horman
2014-02-26  7:33   ` Simon Horman
2014-02-26  8:33   ` Geert Uytterhoeven
2014-02-26  8:33     ` Geert Uytterhoeven
2014-02-26  8:57     ` Simon Horman
2014-02-26  8:57       ` Simon Horman

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