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Groups > linux.kernel > #1657397

[PATCH v1] xen: fix HYPERVISOR_dm_op() prototype

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Change the third parameter to be the required struct xen_dm_op_buf *
instead of a generic void * (which blindly accepts any pointer).

Signed-off-by: Sergey Dyasli <sergey.dyasli@citrix.com>
---
 arch/x86/include/asm/xen/hypercall.h | 3 ++-
 include/xen/arm/hypercall.h          | 4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index f6d20f6cca12..e111ae874647 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -49,6 +49,7 @@
 #include <xen/interface/physdev.h>
 #include <xen/interface/platform.h>
 #include <xen/interface/xen-mca.h>
+#include <xen/interface/hvm/dm_op.h>
 
 /*
  * The hypercall asms have to meet several constraints:
@@ -474,7 +475,7 @@ HYPERVISOR_xenpmu_op(unsigned int op, void *arg)
 
 static inline int
 HYPERVISOR_dm_op(
-	domid_t dom, unsigned int nr_bufs, void *bufs)
+	domid_t dom, unsigned int nr_bufs, struct xen_dm_op_buf *bufs)
 {
 	return _hypercall3(int, dm_op, dom, nr_bufs, bufs);
 }
diff --git a/include/xen/arm/hypercall.h b/include/xen/arm/hypercall.h
index 73db4b2eeb89..d3a732d1ede8 100644
--- a/include/xen/arm/hypercall.h
+++ b/include/xen/arm/hypercall.h
@@ -38,6 +38,7 @@
 #include <xen/interface/xen.h>
 #include <xen/interface/sched.h>
 #include <xen/interface/platform.h>
+#include <xen/interface/hvm/dm_op.h>
 
 long privcmd_call(unsigned call, unsigned long a1,
 		unsigned long a2, unsigned long a3,
@@ -53,7 +54,8 @@ int HYPERVISOR_physdev_op(int cmd, void *arg);
 int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args);
 int HYPERVISOR_tmem_op(void *arg);
 int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type);
-int HYPERVISOR_dm_op(domid_t domid, unsigned int nr_bufs, void *bufs);
+int HYPERVISOR_dm_op(domid_t domid, unsigned int nr_bufs,
+		     struct xen_dm_op_buf *bufs);
 int HYPERVISOR_platform_op_raw(void *arg);
 static inline int HYPERVISOR_platform_op(struct xen_platform_op *op)
 {
-- 
2.11.0

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[PATCH v1] xen: fix HYPERVISOR_dm_op() prototype Sergey Dyasli <sergey.dyasli@citrix.com> - 2017-06-05 10:50 +0200
  Re: [Xen-devel] [PATCH v1] xen: fix HYPERVISOR_dm_op()  prototype "Jan Beulich" <JBeulich@suse.com> - 2017-06-06 10:10 +0200
    Re: [Xen-devel] [PATCH v1] xen: fix HYPERVISOR_dm_op() prototype Sergey Dyasli <sergey.dyasli@citrix.com> - 2017-06-06 11:50 +0200

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