cris: use non-racy method for /proc/system_profile creation

Use proc_create() to make sure that ->proc_fops be setup before gluing PDE to
main tree.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/cris/kernel/profile.c

@@ -75,9 +75,9 @@ __init init_cris_profile(void)
 
 	sample_buffer_pos = sample_buffer;
 
-	entry = create_proc_entry("system_profile", S_IWUSR | S_IRUGO, NULL);
+	entry = proc_create("system_profile", S_IWUSR | S_IRUGO, NULL,
+			    &cris_proc_profile_operations);
 	if (entry) {
-		entry->proc_fops = &cris_proc_profile_operations;
 		entry->size = SAMPLE_BUFFER_SIZE;
 	}
 	prof_running = 1;