Linux user memory access API change (initial patch by Thayne Harbaugh)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3583 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/exec.c b/exec.c
index 7987803..e817a4e 100644
--- a/exec.c
+++ b/exec.c
@@ -2510,13 +2510,19 @@
if (is_write) {
if (!(flags & PAGE_WRITE))
return;
- p = lock_user(addr, len, 0);
+ /* XXX: this code should not depend on lock_user */
+ if (!(p = lock_user(VERIFY_WRITE, addr, len, 0)))
+ /* FIXME - should this return an error rather than just fail? */
+ return;
memcpy(p, buf, len);
unlock_user(p, addr, len);
} else {
if (!(flags & PAGE_READ))
return;
- p = lock_user(addr, len, 1);
+ /* XXX: this code should not depend on lock_user */
+ if (!(p = lock_user(VERIFY_READ, addr, len, 1)))
+ /* FIXME - should this return an error rather than just fail? */
+ return;
memcpy(buf, p, len);
unlock_user(p, addr, 0);
}
