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authorZhong Jiang <zhongjiang@huawei.com>2018-07-21 16:33:24 +0800
committerThomas Gleixner <tglx@linutronix.de>2018-08-02 14:33:19 +0200
commit0b2c1aec49ddb2260894df6c69ae7b34142ff936 (patch)
treee9ab867e3a702c69de2723579857a3b7a3af8c68
parent2397134ce2d73dcf1d4846579f594c9f3880b2ec (diff)
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 <zhongjiang@huawei.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: <hpa@zytor.com> Cc: <gregkh@linuxfoundation.org> Link: https://lkml.kernel.org/r/1532162004-24670-1-git-send-email-zhongjiang@huawei.com
-rw-r--r--arch/x86/kernel/pci-iommu_table.c2
1 files changed, 1 insertions, 1 deletions
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;
}
}