kvm-kmod: x86: make sure kvm_get_desc_base() doesn't sign extend

Commit Message

Bernhard Kohl Oct. 12, 2010, 3:28 p.m. UTC

None

Patch

diff --git a/x86/external-module-compat.h b/x86/external-module-compat.h
index 15b0280..a2af776 100644
--- a/x86/external-module-compat.h
+++ b/x86/external-module-compat.h
@@ -435,7 +435,7 @@  struct kvm_desc_ptr {
 static inline unsigned long
 kvm_get_desc_base(const struct kvm_desc_struct *desc)
 {
-	return desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24);
+	return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24));
 }
 
 static inline void