From patchwork Fri May 9 15:32:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 4144131 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 125719F1E1 for ; Fri, 9 May 2014 15:32:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0D6C1201E7 for ; Fri, 9 May 2014 15:32:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 934F2202EA for ; Fri, 9 May 2014 15:32:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757265AbaEIPcQ (ORCPT ); Fri, 9 May 2014 11:32:16 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:39926 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757263AbaEIPcO (ORCPT ); Fri, 9 May 2014 11:32:14 -0400 Received: from dude.hi.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1WimmO-00082b-0g; Fri, 09 May 2014 17:32:08 +0200 From: Philipp Zabel To: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, kernel@pengutronix.de, Philipp Zabel Subject: [PATCH] [media] vb2: fix num_buffers calculation if req->count > VIDEO_MAX_FRAMES Date: Fri, 9 May 2014 17:32:10 +0200 Message-Id: <1399649530-20885-1-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.0.0.rc0 X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Philipp Zabel Reviewed-by: Hans Verkuil --- drivers/media/v4l2-core/videobuf2-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 40024d7..4d4f6ba 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -905,7 +905,7 @@ static int __reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req) * Make sure the requested values and current defaults are sane. */ num_buffers = min_t(unsigned int, req->count, VIDEO_MAX_FRAME); - num_buffers = max_t(unsigned int, req->count, q->min_buffers_needed); + num_buffers = max_t(unsigned int, num_buffers, q->min_buffers_needed); memset(q->plane_sizes, 0, sizeof(q->plane_sizes)); memset(q->alloc_ctx, 0, sizeof(q->alloc_ctx)); q->memory = req->memory;