Commit-ID:  0b2c1aec49ddb2260894df6c69ae7b34142ff936
Gitweb:     https://git.kernel.org/tip/0b2c1aec49ddb2260894df6c69ae7b34142ff936
Author:     Zhong Jiang <zhongji...@huawei.com>
AuthorDate: Sat, 21 Jul 2018 16:33:24 +0800
Committer:  Thomas Gleixner <t...@linutronix.de>
CommitDate: Thu, 2 Aug 2018 14:33:19 +0200

x86/iommu: Use NULL instead of 0

Fixes the following sparse warning:

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

Signed-off-by: zhong jiang <zhongji...@huawei.com>
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
Cc: <h...@zytor.com>
Cc: <gre...@linuxfoundation.org>
Link: 
https://lkml.kernel.org/r/1532162004-24670-1-git-send-email-zhongji...@huawei.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 4dfd90a75e63..2e9006c1e240 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;
                }
        }
 

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