From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Date: Tue, 26 May 2015 18:13:29 +0000 (-0400)
Subject: libxc: add missing xc_hypercall_bounce_pre calls
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~3145
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=2e43e19fb3ca68b1a2a320d339a53c2007909f9b;p=xen.git

libxc: add missing xc_hypercall_bounce_pre calls

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/tools/libxc/xc_flask.c b/tools/libxc/xc_flask.c
index bb117f7708..e24a2e7e02 100644
--- a/tools/libxc/xc_flask.c
+++ b/tools/libxc/xc_flask.c
@@ -191,6 +191,12 @@ int xc_flask_getbool_byname(xc_interface *xch, char *name, int *curr, int *pend)
     DECLARE_FLASK_OP;
     DECLARE_HYPERCALL_BOUNCE(name, strlen(name), XC_HYPERCALL_BUFFER_BOUNCE_IN);
 
+    if ( xc_hypercall_bounce_pre(xch, name) )
+    {
+        PERROR("Could not bounce memory for flask op hypercall");
+        return -1;
+    }
+
     op.cmd = FLASK_GETBOOL;
     op.u.boolean.bool_id = -1;
     op.u.boolean.size = strlen(name);
@@ -217,6 +223,12 @@ int xc_flask_setbool(xc_interface *xch, char *name, int value, int commit)
     DECLARE_FLASK_OP;
     DECLARE_HYPERCALL_BOUNCE(name, strlen(name), XC_HYPERCALL_BUFFER_BOUNCE_IN);
 
+    if ( xc_hypercall_bounce_pre(xch, name) )
+    {
+        PERROR("Could not bounce memory for flask op hypercall");
+        return -1;
+    }
+
     op.cmd = FLASK_SETBOOL;
     op.u.boolean.bool_id = -1;
     op.u.boolean.new_value = value;