[PATCH] x86, vsyscall: Fix sparse warning: Using plain integer as NULL

[Emil Goode <emilgoode@xxxxxxxxx>]

This patch silences the following sparse warning:
arch/x86/kernel/vsyscall_64.c:250:34:
       warning: Using plain integer as NULL pointer

Signed-off-by: Emil Goode <emilgoode@xxxxxxxxx>
---
 arch/x86/kernel/vsyscall_64.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index f386dc4..6170ff9 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -247,7 +247,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
 
 		ret = sys_getcpu((unsigned __user *)regs->di,
 				 (unsigned __user *)regs->si,
-				 0);
+				 NULL);
 		break;
 	}
 
-- 
1.7.9.1

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