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474cdfe2
2013 Oct 23
3
[PATCH] xen/arm: add_to_physmap_one: Avoid to map mfn 0 if an error occurs
...on ARM) to the
slot given by the guest.
To fix the problem, return directly an error if sanity check has failed.
Signed-off-by: Julien Grall <julien.grall@linaro.org>
---
xen/arch/arm/mm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 474dfef..eaeb0c3 100644
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -981,6 +981,8 @@ static int xenmem_add_to_physmap_one(
idx &= ~XENMAPIDX_grant_table_status;
if ( idx < nr_status_frames(d->grant_table) )
mfn = virt_to_mfn(d->grant_table->...