From: Suravee Suthikulpanit <[email protected]>

At the time of registering HVM I/O handler, the HVM domain might
not have been initialized, which means the hvm_domain.io_handler
would be NULL. In the hvm_next_io_handler(), this should be asserted.

Reviewed-by: Paul Durrant <[email protected]>
Signed-off-by: Suravee Suthikulpanit <[email protected]>
---
 xen/arch/x86/hvm/intercept.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/hvm/intercept.c b/xen/arch/x86/hvm/intercept.c
index fc757d0..bf141c9 100644
--- a/xen/arch/x86/hvm/intercept.c
+++ b/xen/arch/x86/hvm/intercept.c
@@ -258,6 +258,8 @@ struct hvm_io_handler *hvm_next_io_handler(struct domain *d)
 {
     unsigned int i = d->arch.hvm_domain.io_handler_count++;
 
+    ASSERT(d->arch.hvm_domain.io_handler);
+
     if ( i == NR_IO_HANDLERS )
     {
         domain_crash(d);
-- 
1.9.1


_______________________________________________
Xen-devel mailing list
[email protected]
http://lists.xen.org/xen-devel

Reply via email to