[Xen-devel] [PATCH 5 of 6] x86: fix memset(ptr, 0, sizeof ptr)

[Tim Deegan <tim@xxxxxxx>]

# HG changeset patch
# User Tim Deegan <tim@xxxxxxx>
# Date 1333626954 -3600
# Node ID 5101e5ed24732919076d5285e55c7b53032749c2
# Parent  dfe9453c066f3fbfa09c847d7ec381cdc0da0f99
x86: fix memset(ptr, 0, sizeof ptr).

Signed-off-by: Tim Deegan <tim@xxxxxxx>

diff -r dfe9453c066f -r 5101e5ed2473 xen/arch/x86/cpu/mcheck/amd_f10.c
--- a/xen/arch/x86/cpu/mcheck/amd_f10.c Thu Apr 05 12:55:54 2012 +0100
+++ b/xen/arch/x86/cpu/mcheck/amd_f10.c Thu Apr 05 12:55:54 2012 +0100
@@ -73,9 +73,9 @@ amd_f10_handler(struct mc_info *mi, uint
                return NULL;
        }
 
-       memset(mc_ext, 0, sizeof(mc_ext));
+       memset(mc_ext, 0, sizeof(*mc_ext));
        mc_ext->common.type = MC_TYPE_EXTENDED;
-       mc_ext->common.size = sizeof(mc_ext);
+       mc_ext->common.size = sizeof(*mc_ext);
        mc_ext->mc_msrs = 3;
 
        mc_ext->mc_msr[0].reg = MSR_F10_MC4_MISC1;
diff -r dfe9453c066f -r 5101e5ed2473 xen/arch/x86/mm/p2m.c
--- a/xen/arch/x86/mm/p2m.c     Thu Apr 05 12:55:54 2012 +0100
+++ b/xen/arch/x86/mm/p2m.c     Thu Apr 05 12:55:54 2012 +0100
@@ -1236,7 +1236,7 @@ bool_t p2m_mem_access_check(unsigned lon
     if ( req )
     {
         *req_ptr = req;
-        memset(req, 0, sizeof(req));
+        memset(req, 0, sizeof (mem_event_request_t));
         req->reason = MEM_EVENT_REASON_VIOLATION;
 
         /* Pause the current VCPU */

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