[Xen-devel] [PATCH] linux: Allow xenbus_strstate() to be used from modules

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

The function is referenced by a number of DPRINTK()-s. Also, properly const-ify 
it.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

Index: head-2007-01-16/drivers/xen/xenbus/xenbus_client.c
===================================================================
--- head-2007-01-16.orig/drivers/xen/xenbus/xenbus_client.c     2007-01-17 
10:10:12.000000000 +0100
+++ head-2007-01-16/drivers/xen/xenbus/xenbus_client.c  2007-01-29 
16:13:36.000000000 +0100
@@ -42,9 +42,9 @@
 #define DPRINTK(fmt, args...) \
     pr_debug("xenbus_client (%s:%d) " fmt ".\n", __FUNCTION__, __LINE__, 
##args)
 
-char *xenbus_strstate(enum xenbus_state state)
+const char *xenbus_strstate(enum xenbus_state state)
 {
-       static char *name[] = {
+       static const char *const name[] = {
                [ XenbusStateUnknown      ] = "Unknown",
                [ XenbusStateInitialising ] = "Initialising",
                [ XenbusStateInitWait     ] = "InitWait",
@@ -55,6 +55,7 @@ char *xenbus_strstate(enum xenbus_state 
        };
        return (state < ARRAY_SIZE(name)) ? name[state] : "INVALID";
 }
+EXPORT_SYMBOL_GPL(xenbus_strstate);
 
 int xenbus_watch_path(struct xenbus_device *dev, const char *path,
                      struct xenbus_watch *watch,
Index: head-2007-01-16/include/xen/xenbus.h
===================================================================
--- head-2007-01-16.orig/include/xen/xenbus.h   2007-01-17 10:09:52.000000000 
+0100
+++ head-2007-01-16/include/xen/xenbus.h        2007-01-29 16:14:09.000000000 
+0100
@@ -295,7 +295,7 @@ void xenbus_dev_fatal(struct xenbus_devi
 
 int __init xenbus_dev_init(void);
 
-char *xenbus_strstate(enum xenbus_state state);
+const char *xenbus_strstate(enum xenbus_state state);
 int xenbus_dev_is_online(struct xenbus_device *dev);
 int xenbus_frontend_closed(struct xenbus_device *dev);
 


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel