* [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer
@ 2022-04-17 15:41 liqiong
2022-04-19 7:37 ` Peter Zijlstra
0 siblings, 1 reply; 3+ messages in thread
From: liqiong @ 2022-04-17 15:41 UTC (permalink / raw)
To: Thomas Gleixner, Dave Hansen, x86; +Cc: linux-kernel, yuzhe, renyu, liqiong
Sparse warns: "Using plain integer as NULL pointer".
Use 'NULL' as null pointer.
Signed-off-by: liqiong <liqiong@nfschina.com>
---
arch/x86/events/rapl.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c
index 77e3a47af5ad..7d70690fded5 100644
--- a/arch/x86/events/rapl.c
+++ b/arch/x86/events/rapl.c
@@ -537,11 +537,11 @@ static struct perf_msr intel_rapl_spr_msrs[] = {
* - want to use same event codes across both architectures
*/
static struct perf_msr amd_rapl_msrs[] = {
- [PERF_RAPL_PP0] = { 0, &rapl_events_cores_group, 0, false, 0 },
+ [PERF_RAPL_PP0] = { 0, &rapl_events_cores_group, NULL, false, 0 },
[PERF_RAPL_PKG] = { MSR_AMD_PKG_ENERGY_STATUS, &rapl_events_pkg_group, test_msr, false, RAPL_MSR_MASK },
- [PERF_RAPL_RAM] = { 0, &rapl_events_ram_group, 0, false, 0 },
- [PERF_RAPL_PP1] = { 0, &rapl_events_gpu_group, 0, false, 0 },
- [PERF_RAPL_PSYS] = { 0, &rapl_events_psys_group, 0, false, 0 },
+ [PERF_RAPL_RAM] = { 0, &rapl_events_ram_group, NULL, false, 0 },
+ [PERF_RAPL_PP1] = { 0, &rapl_events_gpu_group, NULL, false, 0 },
+ [PERF_RAPL_PSYS] = { 0, &rapl_events_psys_group, NULL, false, 0 },
};
static int rapl_cpu_offline(unsigned int cpu)
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer
2022-04-17 15:41 [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer liqiong
@ 2022-04-19 7:37 ` Peter Zijlstra
2022-04-19 7:42 ` liqiong
0 siblings, 1 reply; 3+ messages in thread
From: Peter Zijlstra @ 2022-04-19 7:37 UTC (permalink / raw)
To: liqiong; +Cc: Thomas Gleixner, Dave Hansen, x86, linux-kernel, yuzhe, renyu
On Sun, Apr 17, 2022 at 11:41:48PM +0800, liqiong wrote:
> Sparse warns: "Using plain integer as NULL pointer".
What's wrong with that?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer
2022-04-19 7:37 ` Peter Zijlstra
@ 2022-04-19 7:42 ` liqiong
0 siblings, 0 replies; 3+ messages in thread
From: liqiong @ 2022-04-19 7:42 UTC (permalink / raw)
To: Peter Zijlstra
Cc: Thomas Gleixner, Dave Hansen, x86, linux-kernel, yuzhe, renyu
在 2022年04月19日 15:37, Peter Zijlstra 写道:
> On Sun, Apr 17, 2022 at 11:41:48PM +0800, liqiong wrote:
>> Sparse warns: "Using plain integer as NULL pointer".
> What's wrong with that?
Just a sparse warning.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-04-19 7:43 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-04-17 15:41 [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer liqiong
2022-04-19 7:37 ` Peter Zijlstra
2022-04-19 7:42 ` liqiong
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