x86/iommu: Use NULL instead of 0
authorZhong Jiang <zhongjiang@huawei.com>
Sat, 21 Jul 2018 08:33:24 +0000 (16:33 +0800)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 2 Aug 2018 12:33:19 +0000 (14:33 +0200)
commit0b2c1aec49ddb2260894df6c69ae7b34142ff936
treee9ab867e3a702c69de2723579857a3b7a3af8c68
parent2397134ce2d73dcf1d4846579f594c9f3880b2ec
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
arch/x86/kernel/pci-iommu_table.c