[POWERPC] iseries: remove const warning

Just one bit of fallout from the constification of the get_property
return value.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c
index efeb6ae9df64..9baa4ee82592 100644
--- a/arch/powerpc/platforms/iseries/viopath.c
+++ b/arch/powerpc/platforms/iseries/viopath.c
@@ -117,6 +117,7 @@ static int proc_viopath_show(struct seq_file *m, void *v)
         HvLpEvent_Rc hvrc;
         DECLARE_MUTEX_LOCKED(Semaphore);
         struct device_node *node;
+        const char *sysid;
 
         buf = kmalloc(HW_PAGE_SIZE, GFP_KERNEL);
         if (!buf)
@@ -152,15 +153,15 @@ static int proc_viopath_show(struct seq_file *m, void *v)
         seq_printf(m, "AVAILABLE_VETH=%x\n", vlanMap);
 
         node = of_find_node_by_path("/");
-        buf = NULL;
+        sysid = NULL;
         if (node != NULL)
-                buf = get_property(node, "system-id", NULL);
+                sysid = get_property(node, "system-id", NULL);
 
-        if (buf == NULL)
+        if (sysid == NULL)
                 seq_printf(m, "SRLNBR=<UNKNOWN>\n");
         else
                 /* Skip "IBM," on front of serial number, see dt.c */
-                seq_printf(m, "SRLNBR=%s\n", buf + 4);
+                seq_printf(m, "SRLNBR=%s\n", sysid + 4);
 
         of_node_put(node);