From: Nguyen Anh Quynh <aquynh@gmail.com>
Date: Tue, 5 Jun 2007 07:35:19 +0000 (+0300)
Subject: KVM: Remove unnecessary initialization and checks in mark_page_dirty()
X-Git-Tag: v2.6.23-rc1~520^2~33
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=313899477f7578d37e82ead1af10f794a6da3c90;p=linux-2.6

KVM: Remove unnecessary initialization and checks in mark_page_dirty()

Signed-off-by: Avi Kivity <avi@qumranet.com>
---

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index bf35457ce3..3c3231d8da 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -970,7 +970,7 @@ EXPORT_SYMBOL_GPL(gfn_to_page);
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn)
 {
 	int i;
-	struct kvm_memory_slot *memslot = NULL;
+	struct kvm_memory_slot *memslot;
 	unsigned long rel_gfn;
 
 	for (i = 0; i < kvm->nmemslots; ++i) {
@@ -979,7 +979,7 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn)
 		if (gfn >= memslot->base_gfn
 		    && gfn < memslot->base_gfn + memslot->npages) {
 
-			if (!memslot || !memslot->dirty_bitmap)
+			if (!memslot->dirty_bitmap)
 				return;
 
 			rel_gfn = gfn - memslot->base_gfn;