linux-kernel - [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer

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Date:   Sun, 17 Apr 2022 23:41:48 +0800
From:   liqiong <liqiong@...china.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, yuzhe@...china.com,
        renyu@...china.com, liqiong <liqiong@...china.com>
Subject: [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer

Sparse warns: "Using plain integer as NULL pointer".
Use 'NULL' as null pointer.

Signed-off-by: liqiong <liqiong@...china.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