From patchwork Wed Mar 16 20:24:30 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jarod Wilson X-Patchwork-Id: 639851 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p2GKOksL000418 for ; Wed, 16 Mar 2011 20:24:47 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754040Ab1CPUYn (ORCPT ); Wed, 16 Mar 2011 16:24:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46332 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754035Ab1CPUYk (ORCPT ); Wed, 16 Mar 2011 16:24:40 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p2GKOeaJ026214 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 16 Mar 2011 16:24:40 -0400 Received: from xavier.bos.redhat.com (xavier.bos.redhat.com [10.16.16.50]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p2GKOXHk024620; Wed, 16 Mar 2011 16:24:39 -0400 From: Jarod Wilson To: linux-media@vger.kernel.org Cc: Jarod Wilson Subject: [PATCH 5/6] lirc_zilog: error out if buffer read bytes != chunk size Date: Wed, 16 Mar 2011 16:24:30 -0400 Message-Id: <1300307071-19665-6-git-send-email-jarod@redhat.com> In-Reply-To: <1300307071-19665-1-git-send-email-jarod@redhat.com> References: <1300307071-19665-1-git-send-email-jarod@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Wed, 16 Mar 2011 20:24:47 +0000 (UTC) diff --git a/drivers/staging/lirc/lirc_zilog.c b/drivers/staging/lirc/lirc_zilog.c index 407d4b4..5ada643 100644 --- a/drivers/staging/lirc/lirc_zilog.c +++ b/drivers/staging/lirc/lirc_zilog.c @@ -950,6 +950,10 @@ static ssize_t read(struct file *filep, char *outbuf, size_t n, loff_t *ppos) ret = copy_to_user((void *)outbuf+written, buf, rbuf->chunk_size); written += rbuf->chunk_size; + } else { + zilog_error("Buffer read failed!\n"); + ret = -EIO; + break; } } }