[PATCH] uml: use kstrdup

There were a bunch of calls to uml_strdup dating from before kstrdup was
introduced.  This changes those calls.  It doesn't eliminate the definition
since there is still a couple of calls in userspace code (which should
probably call the libc strdup).

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 12c9536..b367864 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -563,7 +563,7 @@
 	}
 
 	if(notify_socket != NULL){
-		notify_socket = uml_strdup(notify_socket);
+		notify_socket = kstrdup(notify_socket, GFP_KERNEL);
 		if(notify_socket != NULL)
 			mconsole_notify(notify_socket, MCONSOLE_SOCKET,
 					mconsole_socket_name,