From: Julien Grall <jgrall@amazon.com>
Date: Mon, 30 Mar 2020 19:21:53 +0000 (+0100)
Subject: tools/libxc: misc: Mark const the parameter 'params' of xc_set_parameters()
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~463
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=897b6f4b4324b7696602fe386b5ea93506415442;p=xen.git

tools/libxc: misc: Mark const the parameter 'params' of xc_set_parameters()

The parameter 'params' of xc_set_parameters() should never be modified.
So mark it as const.

Signed-off-by: Julien Grall <jgrall@amazon.com>
Reviewed-by: Ian Jackson <ian.jackson@eu.citrix.com>
---

diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h
index d8874eb846..58fa931de1 100644
--- a/tools/libxc/include/xenctrl.h
+++ b/tools/libxc/include/xenctrl.h
@@ -1226,7 +1226,7 @@ int xc_readconsolering(xc_interface *xch,
                        int clear, int incremental, uint32_t *pindex);
 
 int xc_send_debug_keys(xc_interface *xch, const char *keys);
-int xc_set_parameters(xc_interface *xch, char *params);
+int xc_set_parameters(xc_interface *xch, const char *params);
 
 typedef struct xen_sysctl_physinfo xc_physinfo_t;
 typedef struct xen_sysctl_cputopo xc_cputopo_t;
diff --git a/tools/libxc/xc_misc.c b/tools/libxc/xc_misc.c
index 957c03415c..fe477bf344 100644
--- a/tools/libxc/xc_misc.c
+++ b/tools/libxc/xc_misc.c
@@ -187,11 +187,11 @@ int xc_send_debug_keys(xc_interface *xch, const char *keys)
     return ret;
 }
 
-int xc_set_parameters(xc_interface *xch, char *params)
+int xc_set_parameters(xc_interface *xch, const char *params)
 {
     int ret, len = strlen(params);
     DECLARE_SYSCTL;
-    DECLARE_HYPERCALL_BOUNCE(params, len, XC_HYPERCALL_BUFFER_BOUNCE_IN);
+    DECLARE_HYPERCALL_BOUNCE_IN(params, len);
 
     if ( xc_hypercall_bounce_pre(xch, params) )
         return -1;