File xen.d44cbbe0f3243afcc56e47dcfa97bbfe23e46fbb.patch of Package xen

From: Wei Liu <wl@xen.org>
Date: Fri, 3 Jul 2020 20:10:01 +0000
Subject: d44cbbe0f3243afcc56e47dcfa97bbfe23e46fbb

kdd: fix build again

Restore Tim's patch. The one that was committed was recreated by me
because git didn't accept my saved copy. I made some mistakes while
recreating that patch and here we are.

Fixes: 3471cafbdda3 ("kdd: stop using [0] arrays to access packet contents")
Reported-by: Michael Young <m.a.young@durham.ac.uk>
Signed-off-by: Wei Liu <wl@xen.org>
Reviewed-by: Tim Deegan <tim@xen.org>
Release-acked-by: Paul Durrant <paul@xen.org>
---
 tools/debugger/kdd/kdd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/tools/debugger/kdd/kdd.c
+++ b/tools/debugger/kdd/kdd.c
@@ -58,29 +58,29 @@ typedef struct {
     int mp;
     char *name;
     uint64_t base;              /* KernBase: start looking here */
     uint32_t range;             /* |         and search an area this size */
     uint32_t version;           /* +-> NtBuildNumber */
     uint32_t modules;           /* +-> PsLoadedModuleList */
     uint32_t prcbs;             /* +-> KiProcessorBlock */
 } kdd_os;
 
 /* State of the debugger stub */
 typedef struct {
     union {
-        uint8_t txb[sizeof (kdd_hdr)];           /* Marshalling area for tx */
+        uint8_t txb[sizeof (kdd_pkt)];           /* Marshalling area for tx */
         kdd_pkt txp;                 /* Also readable as a packet structure */
     };
     union {
-        uint8_t rxb[sizeof (kdd_hdr)];           /* Marshalling area for rx */
+        uint8_t rxb[sizeof (kdd_pkt)];           /* Marshalling area for rx */
         kdd_pkt rxp;                 /* Also readable as a packet structure */
     };
     unsigned int cur;       /* Offset into rx where we'll put the next byte */
     uint32_t next_id;                     /* ID of next packet we will send */
     int running;                      /* Are the guest's processors active? */
     int cpuid;                                      /* Current selected CPU */
     int fd;                                  /* TCP socket for client comms */
     FILE *log;                                        /* For tracing output */
     int verbosity;                              /* How much detail to trace */
     kdd_guest *guest;              /* Arch-specific state for guest control */
     kdd_os os;                                 /* OS-specific magic numbers */
 } kdd_state;