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Date:   Wed, 6 May 2020 10:33:36 +0800
From:   Samuel Zou <zou_wei@...wei.com>
To:     <mpe@...erman.id.au>, <benh@...nel.crashing.org>,
        <paulus@...ba.org>
CC:     <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        "Samuel Zou" <zou_wei@...wei.com>
Subject: [PATCH -next] powerpc/kernel/sysfs: Use ARRAY_SIZE instead of calculating the array size

fix coccinelle warning, use ARRAY_SIZE

arch/powerpc/kernel/sysfs.c:853:34-35: WARNING: Use ARRAY_SIZE
arch/powerpc/kernel/sysfs.c:860:33-34: WARNING: Use ARRAY_SIZE
arch/powerpc/kernel/sysfs.c:868:28-29: WARNING: Use ARRAY_SIZE
arch/powerpc/kernel/sysfs.c:947:34-35: WARNING: Use ARRAY_SIZE
arch/powerpc/kernel/sysfs.c:954:33-34: WARNING: Use ARRAY_SIZE
arch/powerpc/kernel/sysfs.c:962:28-29: WARNING: Use ARRAY_SIZE

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Samuel Zou <zou_wei@...wei.com>
---
 arch/powerpc/kernel/sysfs.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 571b325..13d2423 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -850,14 +850,14 @@ static int register_cpu_online(unsigned int cpu)
 #ifdef HAS_PPC_PMC_IBM
 	case PPC_PMC_IBM:
 		attrs = ibm_common_attrs;
-		nattrs = sizeof(ibm_common_attrs) / sizeof(struct device_attribute);
+		nattrs = ARRAY_SIZE(ibm_common_attrs);
 		pmc_attrs = classic_pmc_attrs;
 		break;
 #endif /* HAS_PPC_PMC_IBM */
 #ifdef HAS_PPC_PMC_G4
 	case PPC_PMC_G4:
 		attrs = g4_common_attrs;
-		nattrs = sizeof(g4_common_attrs) / sizeof(struct device_attribute);
+		nattrs = ARRAY_SIZE(g4_common_attrs);
 		pmc_attrs = classic_pmc_attrs;
 		break;
 #endif /* HAS_PPC_PMC_G4 */
@@ -865,7 +865,7 @@ static int register_cpu_online(unsigned int cpu)
 	case PPC_PMC_PA6T:
 		/* PA Semi starts counting at PMC0 */
 		attrs = pa6t_attrs;
-		nattrs = sizeof(pa6t_attrs) / sizeof(struct device_attribute);
+		nattrs = ARRAY_SIZE(pa6t_attrs);
 		pmc_attrs = NULL;
 		break;
 #endif
@@ -944,14 +944,14 @@ static int unregister_cpu_online(unsigned int cpu)
 #ifdef HAS_PPC_PMC_IBM
 	case PPC_PMC_IBM:
 		attrs = ibm_common_attrs;
-		nattrs = sizeof(ibm_common_attrs) / sizeof(struct device_attribute);
+		nattrs = ARRAY_SIZE(ibm_common_attrs);
 		pmc_attrs = classic_pmc_attrs;
 		break;
 #endif /* HAS_PPC_PMC_IBM */
 #ifdef HAS_PPC_PMC_G4
 	case PPC_PMC_G4:
 		attrs = g4_common_attrs;
-		nattrs = sizeof(g4_common_attrs) / sizeof(struct device_attribute);
+		nattrs = ARRAY_SIZE(g4_common_attrs);
 		pmc_attrs = classic_pmc_attrs;
 		break;
 #endif /* HAS_PPC_PMC_G4 */
@@ -959,7 +959,7 @@ static int unregister_cpu_online(unsigned int cpu)
 	case PPC_PMC_PA6T:
 		/* PA Semi starts counting at PMC0 */
 		attrs = pa6t_attrs;
-		nattrs = sizeof(pa6t_attrs) / sizeof(struct device_attribute);
+		nattrs = ARRAY_SIZE(pa6t_attrs);
 		pmc_attrs = NULL;
 		break;
 #endif
-- 
2.6.2

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