[PATCH] kvm: x86: use NULL instead of using plain integer as pointer

[Muhammad Usama Anjum]

Sparse warnings removed:
warning: Using plain integer as NULL pointer

Signed-off-by: Muhammad Usama Anjum <musamaan...@gmail.com>
---
 arch/x86/kvm/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 884e5b3838c7..3e11065038e5 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -10570,7 +10570,7 @@ void __user * __x86_set_memory_region(struct kvm *kvm, 
int id, gpa_t gpa,
                        return (void __user *)hva;
        } else {
                if (!slot || !slot->npages)
-                       return 0;
+                       return NULL;
 
                old_npages = slot->npages;
                hva = slot->userspace_addr;
-- 
2.25.1