mask_str 4447 kernel/trace/trace.c char *mask_str; mask_str 4452 kernel/trace/trace.c mask_str = kmalloc(len, GFP_KERNEL); mask_str 4453 kernel/trace/trace.c if (!mask_str) mask_str 4456 kernel/trace/trace.c len = snprintf(mask_str, len, "%*pb\n", mask_str 4462 kernel/trace/trace.c count = simple_read_from_buffer(ubuf, count, ppos, mask_str, len); mask_str 4465 kernel/trace/trace.c kfree(mask_str);