134 	struct ctrl_dbg *dbg;  in open()  local
138 	dbg = kmalloc(sizeof(*dbg), GFP_KERNEL);  in open()
139 	if (!dbg)  in open()
141 	dbg->data = kmalloc(MAX_OUTPUT, GFP_KERNEL);  in open()
142 	if (!dbg->data) {  in open()
143 		kfree(dbg);  in open()
146 	dbg->size = spew_debug_info(ctrl, dbg->data, MAX_OUTPUT);  in open()
147 	file->private_data = dbg;  in open()
156 	struct ctrl_dbg *dbg = file->private_data;  in lseek()  local
157 	return fixed_size_llseek(file, off, whence, dbg->size);  in lseek()
163 	struct ctrl_dbg *dbg = file->private_data;  in read()  local
164 	return simple_read_from_buffer(buf, nbytes, ppos, dbg->data, dbg->size);  in read()
169 	struct ctrl_dbg *dbg = file->private_data;  in release()  local
171 	kfree(dbg->data);  in release()
172 	kfree(dbg);  in release()