From: Jan Beulich <jbeulich@suse.com>
Date: Fri, 7 Dec 2012 12:45:57 +0000 (+0100)
Subject: x86/HVM: add missing assert to stdvga's mmio_move()
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~7541
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22?a=commitdiff_plain;h=3e7fcd51276a6df669f1338947157d7408268b91;p=xen.git

x86/HVM: add missing assert to stdvga's mmio_move()

... to match the IOREQ_READ path.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
---

diff --git a/xen/arch/x86/hvm/stdvga.c b/xen/arch/x86/hvm/stdvga.c
index 632b214eb6..331fca0ff4 100644
--- a/xen/arch/x86/hvm/stdvga.c
+++ b/xen/arch/x86/hvm/stdvga.c
@@ -519,6 +519,7 @@ static int mmio_move(struct hvm_hw_stdvga *s, ioreq_t *p)
                             put_page(dp);
                         return 0;
                     }
+                    ASSERT(!dp);
                     tmp = stdvga_mem_read(data, p->size);
                 }
                 stdvga_mem_write(addr, tmp, p->size);