linux-kernel - [PATCH linux-next] x86: should use NULL pointer to replace plain integer

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Date:   Sat, 21 Jul 2018 16:33:24 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <mingo@...hat.com>, <tglx@...utronix.de>
CC:     <hpa@...or.com>, <x86@...nel.org>, <linux-kernel@...r.kernel.org>,
        <gregkh@...uxfoundation.org>
Subject: [PATCH linux-next] x86: should use NULL pointer to replace plain integer

Fixes the following sparse warnings:

arch/x86/kernel/pci-iommu_table.c:63:37: warning: Using plain integer as NULL pointer

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 arch/x86/kernel/pci-iommu_table.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c
index 4dfd90a..2e9006c 100644
--- a/arch/x86/kernel/pci-iommu_table.c
+++ b/arch/x86/kernel/pci-iommu_table.c
@@ -60,7 +60,7 @@ void __init check_iommu_entries(struct iommu_table_entry *start,
 			printk(KERN_ERR "CYCLIC DEPENDENCY FOUND! %pS depends on %pS and vice-versa. BREAKING IT.\n",
 			       p->detect, q->detect);
 			/* Heavy handed way..*/
-			x->depend = 0;
+			x->depend = NULL;
 		}
 	}
 
-- 
1.7.12.4