Jan Beulich
2007-Feb-01 16:50 UTC
[Xen-devel] [PATCH] linux: Allow xenbus_strstate() to be used from modules
The function is referenced by a number of DPRINTK()-s. Also, properly const-ify
it.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
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);
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