KVM: Drop unnecessary initialization of "npages" in hva_to_pfn_slow()

The variable is initialized but it is only used after its assignment.

Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Li kunyu <kunyu@nfschina.com>
Message-Id: <20220819022804.483914-1-kunyu@nfschina.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 5142c054b03c796defc0c08f311a6c07d7640313..c916c4c8801c05454f51b993a54c7a2722bf4983 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2518,7 +2518,7 @@ static int hva_to_pfn_slow(unsigned long addr, bool *async, bool write_fault,
 {
        unsigned int flags = FOLL_HWPOISON;
        struct page *page;
-       int npages = 0;
+       int npages;
 
        might_sleep();