Commit 0b2c1aec authored Jul 21, 2018 by Zhong Jiang Committed by Thomas Gleixner Aug 02, 2018

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

parent 2397134c

arch/x86/kernel/pci-iommu_table.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}