[Xen-changelog] [xen-unstable] libxc: use correct size of struct xen_mc

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1287417184 -3600
# Node ID 7bf2ba59c737141880fbe8c48c538fae1aaceb33
# Parent  ffe0cdb77a7b3c90bf91d6db4559e6f29b201c3b
libxc: use correct size of struct xen_mc

We want the size of the struct not the pointer (although rounding up
to page size in lock_pages probably saves us).

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/libxc/xc_misc.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r ffe0cdb77a7b -r 7bf2ba59c737 tools/libxc/xc_misc.c
--- a/tools/libxc/xc_misc.c     Mon Oct 18 16:52:37 2010 +0100
+++ b/tools/libxc/xc_misc.c     Mon Oct 18 16:53:04 2010 +0100
@@ -153,7 +153,7 @@ int xc_mca_op(xc_interface *xch, struct 
     DECLARE_HYPERCALL;
 
     mc->interface_version = XEN_MCA_INTERFACE_VERSION;
-    if ( lock_pages(xch, mc, sizeof(mc)) )
+    if ( lock_pages(xch, mc, sizeof(*mc)) )
     {
         PERROR("Could not lock xen_mc memory");
         return -EINVAL;
@@ -162,7 +162,7 @@ int xc_mca_op(xc_interface *xch, struct 
     hypercall.op = __HYPERVISOR_mca;
     hypercall.arg[0] = (unsigned long)mc;
     ret = do_xen_hypercall(xch, &hypercall);
-    unlock_pages(xch, mc, sizeof(mc));
+    unlock_pages(xch, mc, sizeof(*mc));
     return ret;
 }
 #endif

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