From: Valentin Schneider <valentin.schneider@arm.com>
To: kernel test robot <lkp@intel.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kbuild-all@lists.01.org,
mingo@kernel.org, peterz@infradead.org,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
morten.rasmussen@arm.com, Quentin Perret <qperret@google.com>
Subject: Re: [PATCH] sched/debug: fix noderef.cocci warnings
Date: Wed, 12 Aug 2020 19:52:07 +0100 [thread overview]
Message-ID: <jhjo8nf66js.mognet@arm.com> (raw)
In-Reply-To: <20200812175958.GA94389@b1d876c4bf9f>
On 12/08/20 18:59, kernel test robot wrote:
> From: kernel test robot <lkp@intel.com>
>
> kernel/sched/debug.c:272:30-36: ERROR: application of sizeof to pointer
>
> sizeof when applied to a pointer typed expression gives the size of
> the pointer
>
> Generated by: scripts/coccinelle/misc/noderef.cocci
>
> CC: Valentin Schneider <valentin.schneider@arm.com>
> Signed-off-by: kernel test robot <lkp@intel.com>
> ---
>
> url: https://github.com/0day-ci/linux/commits/Valentin-Schneider/sched-Instrument-sched-domain-flags/20200812-205638
> base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 949bcb8135a96a6923e676646bd29cbe69e8350f
>
> debug.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- a/kernel/sched/debug.c
> +++ b/kernel/sched/debug.c
> @@ -269,7 +269,7 @@ static int sd_ctl_doflags(struct ctl_tab
> return 0;
> }
>
> - tmp = kcalloc(data_size + 1, sizeof(tmp), GFP_KERNEL);
> + tmp = kcalloc(data_size + 1, sizeof(*tmp), GFP_KERNEL);
Praised be coccinelle for rubbing in my face that I can't write code; also
I'm not even checking if the allocation succeeded which is clearly daft,
even if this is debug stuff. I'll blame the heat and try to move on...
> for_each_set_bit(idx, &flags, __SD_FLAG_CNT) {
> char *name = sd_flag_debug[idx].name;
>
next prev parent reply other threads:[~2020-08-12 18:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-12 12:52 [PATCH v5 00/17] sched: Instrument sched domain flags Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 01/17] ARM, sched/topology: Remove SD_SHARE_POWERDOMAIN Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 02/17] ARM: Revert back to default scheduler topology Valentin Schneider
2020-08-13 19:16 ` Ingo Molnar
2020-08-13 22:27 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 03/17] sched/topology: Split out SD_* flags declaration to its own file Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 04/17] sched/topology: Define and assign sched_domain flag metadata Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 05/17] sched/topology: Verify SD_* flags setup when sched_debug is on Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 06/17] sched/debug: Output SD flag names rather than their values Valentin Schneider
2020-08-12 16:35 ` kernel test robot
2020-08-12 18:51 ` Valentin Schneider
2020-08-13 12:02 ` Luc Van Oostenryck
2020-08-13 13:13 ` Valentin Schneider
2020-08-12 17:59 ` kernel test robot
2020-08-12 17:59 ` [PATCH] sched/debug: fix noderef.cocci warnings kernel test robot
2020-08-12 18:52 ` Valentin Schneider [this message]
2020-08-12 12:52 ` [PATCH v5 07/17] sched/topology: Introduce SD metaflag for flags needing > 1 groups Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 08/17] sched/topology: Use prebuilt SD flag degeneration mask Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 09/17] sched/topology: Remove SD_SERIALIZE degeneration special case Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 10/17] sched/topology: Propagate SD_ASYM_CPUCAPACITY upwards Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 11/17] sched/topology: Mark SD_PREFER_SIBLING as SDF_NEEDS_GROUPS Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 12/17] sched/topology: Mark SD_BALANCE_WAKE " Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 13/17] sched/topology: Mark SD_SERIALIZE " Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 14/17] sched/topology: Mark SD_ASYM_PACKING " Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 15/17] sched/topology: Mark SD_OVERLAP " Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 16/17] sched/topology: Mark SD_NUMA " Valentin Schneider
2020-08-12 12:53 ` [PATCH v5 17/17] sched/topology: Expand use of SD_DEGENERATE_GROUPS_MASK to flags not needing groups Valentin Schneider
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