if (db_info->views[i] == NULL) 
if (!db_info->views[i]) 
static void debug_info_put(debug_info_t *db_info){	int i;	if (!db_info)		return;	if (atomic_dec_and_test(&db_info->ref_count)) {#ifdef DEBUG		printk(KERN_INFO "debug: freeing debug area %p (%s)\n",		       db_info, db_info->name);#endif		for (i = 0; i < DEBUG_MAX_VIEWS; i++) {			if (db_info->views[i] == NULL)				continue;#ifdef CONFIG_PROC_FS			remove_proc_entry(db_info->proc_entries[i]->name,					  db_info->proc_root_entry);#endif		}#ifdef CONFIG_PROC_FS		remove_proc_entry(db_info->proc_root_entry->name,				  debug_proc_root_entry);#endif		if(db_info == debug_area_first)			debug_area_first = db_info->next;		if(db_info == debug_area_last)			debug_area_last = db_info->prev;		if(db_info->prev) db_info->prev->next = db_info->next;		if(db_info->next) db_info->next->prev = db_info->prev;		debug_info_free(db_info);	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/66a464dbc8e0345b6f972b92bf1118e043d7c987/debug.c/clean/arch/s390/kernel/debug.c