From patchwork Thu Feb 17 06:07:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dafna Hirschfeld X-Patchwork-Id: 543565 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F37BC433F5 for ; Thu, 17 Feb 2022 06:15:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235440AbiBQGQH (ORCPT ); Thu, 17 Feb 2022 01:16:07 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:42752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234702AbiBQGQG (ORCPT ); Thu, 17 Feb 2022 01:16:06 -0500 Received: from new3-smtp.messagingengine.com (new3-smtp.messagingengine.com [66.111.4.229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 908AB2A2297 for ; Wed, 16 Feb 2022 22:15:52 -0800 (PST) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailnew.nyi.internal (Postfix) with ESMTP id 8662458020F; Thu, 17 Feb 2022 01:08:10 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Thu, 17 Feb 2022 01:08:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fastmail.com; h= cc:cc:date:date:from:from:in-reply-to:in-reply-to:message-id :references:reply-to:sender:subject:subject:to:to; s=fm2; bh=BJL HbFnRLw2/8fPb4wRZexRI7F3nNET21fjY+Ciw9PU=; b=OkIQjopg9XZE0VLss3T qhKsDgntyZvG+JBYDc7/BG+B/2yK+AyIhhvj7UDLW13CM+e/UW2gDDSKlYmlCpqP E2FqfIGE9zNMWIbmZE/4DqXggMrPjZd0OgO+hFzjfqzRdIs4iqU9wtKLYXEVnlyo 6qR7xYHkRkORMQePijftwvjrov2AjNFffqtRkj02a7bpiTW9adVtWgymMfoESw/B g12JlUpnYh51DPqwqJj+IWEL0NZDBzfJ01NK66NF6ruOYmcZqxd1WpEDV7vSzVkF lLPV0NbQWjqipJfW4fZmBv17x1h7r9eWI/91qJG2Hjr5ToIR9tC+Do7QWIrUnqy+ aAA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:date:date:from:from:in-reply-to :in-reply-to:message-id:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm2; bh=BJLHbFnRLw2/8fPb4wRZexRI7F3nNET21fjY+Ciw9 PU=; b=hV5h9o+BOLFYdapE/hvtpiW9OnTyU+YOQ4jesq+2UEo0fD4fXHFXBL81q 0A9ClWQzyLLQpAef206LdiBewWWtJLWWOC8US5e6Vr9qaFjhVFjyh/antdijA4Aq gBKxlDAFxbs4UycI6saldD2rZDHTZ0KuwB9hUbKZcKsGbBjbcT6AMMmf5WSkdO03 ikMPFVe6srSQCoDrlbLGPw7NgI0ZXV4HPjfHHLRMOoP0BJloAFJiSrPCF84E8Aco g7TSNUiK42mc3gQehUwhxkpq/tmsD9YQ+U9btX5IDnRiBVq6C5Fp+eUGJIm2zNz2 IgjImM3mgkwZzUgB1fbkNLj6cdeCA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrjeejgdeltdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhephffvufffkffojghfsedttdertdertd dtnecuhfhrohhmpeffrghfnhgrucfjihhrshgthhhfvghlugcuoegurghfnhgrsehfrghs thhmrghilhdrtghomheqnecuggftrfgrthhtvghrnhepheduvdefhfeutdekhedvjeekve ejhedvheelfffftedvledvveeghfehhfffffdtnecuvehluhhsthgvrhfuihiivgeptden ucfrrghrrghmpehmrghilhhfrhhomhepuggrfhhnrgesfhgrshhtmhgrihhlrdgtohhm X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 17 Feb 2022 01:08:06 -0500 (EST) From: Dafna Hirschfeld To: ezequiel@vanguardiasur.com.ar Cc: linux-media@vger.kernel.org, laurent.pinchart@ideasonboard.com, hverkuil@xs4all.nl, ribalda@chromium.org, tfiga@chromium.org, senozhatsky@google.com, hch@lst.de, dafna@fastmail.com, Dafna Hirschfeld , kernel@collabora.com Subject: [PATCH v3 2/4] media: stk1160: If start stream fails, return buffers with VB2_BUF_STATE_QUEUED Date: Thu, 17 Feb 2022 08:07:22 +0200 Message-Id: <20220217060724.7763-3-dafna@fastmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220217060724.7763-1-dafna@fastmail.com> References: <20220217060724.7763-1-dafna@fastmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Dafna Hirschfeld If the callback 'start_streaming' fails, then all queued buffers in the driver should be returned with state 'VB2_BUF_STATE_QUEUED'. Currently, they are returned with 'VB2_BUF_STATE_ERROR' which is wrong. Fix this. This also fixes the warning: [ 65.583633] WARNING: CPU: 5 PID: 593 at drivers/media/common/videobuf2/videobuf2-core.c:1612 vb2_start_streaming+0xd4/0x160 [videobuf2_common] [ 65.585027] Modules linked in: snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_soc_hdmi_codec dw_hdmi_i2s_audio saa7115 stk1160 videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc crct10dif_ce panfrost snd_soc_simple_card snd_soc_audio_graph_card snd_soc_spdif_tx snd_soc_simple_card_utils gpu_sched phy_rockchip_pcie snd_soc_rockchip_i2s rockchipdrm analogix_dp dw_mipi_dsi dw_hdmi cec drm_kms_helper drm rtc_rk808 rockchip_saradc industrialio_triggered_buffer kfifo_buf rockchip_thermal pcie_rockchip_host ip_tables x_tables ipv6 [ 65.589383] CPU: 5 PID: 593 Comm: v4l2src0:src Tainted: G W 5.16.0-rc4-62408-g32447129cb30-dirty #14 [ 65.590293] Hardware name: Radxa ROCK Pi 4B (DT) [ 65.590696] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 65.591304] pc : vb2_start_streaming+0xd4/0x160 [videobuf2_common] [ 65.591850] lr : vb2_start_streaming+0x6c/0x160 [videobuf2_common] [ 65.592395] sp : ffff800012bc3ad0 [ 65.592685] x29: ffff800012bc3ad0 x28: 0000000000000000 x27: ffff800012bc3cd8 [ 65.593312] x26: 0000000000000000 x25: ffff00000d8a7800 x24: 0000000040045612 [ 65.593938] x23: ffff800011323000 x22: ffff800012bc3cd8 x21: ffff00000908a8b0 [ 65.594562] x20: ffff00000908a8c8 x19: 00000000fffffff4 x18: ffffffffffffffff [ 65.595188] x17: 000000040044ffff x16: 00400034b5503510 x15: ffff800011323f78 [ 65.595813] x14: ffff000013163886 x13: ffff000013163885 x12: 00000000000002ce [ 65.596439] x11: 0000000000000028 x10: 0000000000000001 x9 : 0000000000000228 [ 65.597064] x8 : 0101010101010101 x7 : 7f7f7f7f7f7f7f7f x6 : fefefeff726c5e78 [ 65.597690] x5 : ffff800012bc3990 x4 : 0000000000000000 x3 : ffff000009a34880 [ 65.598315] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000007cd99f0 [ 65.598940] Call trace: [ 65.599155] vb2_start_streaming+0xd4/0x160 [videobuf2_common] [ 65.599672] vb2_core_streamon+0x17c/0x1a8 [videobuf2_common] [ 65.600179] vb2_streamon+0x54/0x88 [videobuf2_v4l2] [ 65.600619] vb2_ioctl_streamon+0x54/0x60 [videobuf2_v4l2] [ 65.601103] v4l_streamon+0x3c/0x50 [videodev] [ 65.601521] __video_do_ioctl+0x1a4/0x428 [videodev] [ 65.601977] video_usercopy+0x320/0x828 [videodev] [ 65.602419] video_ioctl2+0x3c/0x58 [videodev] [ 65.602830] v4l2_ioctl+0x60/0x90 [videodev] [ 65.603227] __arm64_sys_ioctl+0xa8/0xe0 [ 65.603576] invoke_syscall+0x54/0x118 [ 65.603911] el0_svc_common.constprop.3+0x84/0x100 [ 65.604332] do_el0_svc+0x34/0xa0 [ 65.604625] el0_svc+0x1c/0x50 [ 65.604897] el0t_64_sync_handler+0x88/0xb0 [ 65.605264] el0t_64_sync+0x16c/0x170 [ 65.605587] ---[ end trace 578e0ba07742170d ]--- Fixes: 8ac456495a33d ("[media] stk1160: Stop device and unqueue buffers when start_streaming() fails") Signed-off-by: Dafna Hirschfeld Reviewed-by: Ezequiel Garcia --- drivers/media/usb/stk1160/stk1160-core.c | 2 +- drivers/media/usb/stk1160/stk1160-v4l.c | 10 +++++----- drivers/media/usb/stk1160/stk1160.h | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/media/usb/stk1160/stk1160-core.c b/drivers/media/usb/stk1160/stk1160-core.c index 4e1698f78818..ce717502ea4c 100644 --- a/drivers/media/usb/stk1160/stk1160-core.c +++ b/drivers/media/usb/stk1160/stk1160-core.c @@ -403,7 +403,7 @@ static void stk1160_disconnect(struct usb_interface *interface) /* Here is the only place where isoc get released */ stk1160_uninit_isoc(dev); - stk1160_clear_queue(dev); + stk1160_clear_queue(dev, VB2_BUF_STATE_ERROR); video_unregister_device(&dev->vdev); v4l2_device_disconnect(&dev->v4l2_dev); diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c index 6a4eb616d516..1aa953469402 100644 --- a/drivers/media/usb/stk1160/stk1160-v4l.c +++ b/drivers/media/usb/stk1160/stk1160-v4l.c @@ -258,7 +258,7 @@ static int stk1160_start_streaming(struct stk1160 *dev) stk1160_uninit_isoc(dev); out_stop_hw: usb_set_interface(dev->udev, 0, 0); - stk1160_clear_queue(dev); + stk1160_clear_queue(dev, VB2_BUF_STATE_QUEUED); mutex_unlock(&dev->v4l_lock); @@ -306,7 +306,7 @@ static int stk1160_stop_streaming(struct stk1160 *dev) stk1160_stop_hw(dev); - stk1160_clear_queue(dev); + stk1160_clear_queue(dev, VB2_BUF_STATE_ERROR); stk1160_dbg("streaming stopped\n"); @@ -745,7 +745,7 @@ static const struct video_device v4l_template = { /********************************************************************/ /* Must be called with both v4l_lock and vb_queue_lock hold */ -void stk1160_clear_queue(struct stk1160 *dev) +void stk1160_clear_queue(struct stk1160 *dev, enum vb2_buffer_state vb2_state) { struct stk1160_buffer *buf; unsigned long flags; @@ -756,7 +756,7 @@ void stk1160_clear_queue(struct stk1160 *dev) buf = list_first_entry(&dev->avail_bufs, struct stk1160_buffer, list); list_del(&buf->list); - vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + vb2_buffer_done(&buf->vb.vb2_buf, vb2_state); stk1160_dbg("buffer [%p/%d] aborted\n", buf, buf->vb.vb2_buf.index); } @@ -766,7 +766,7 @@ void stk1160_clear_queue(struct stk1160 *dev) buf = dev->isoc_ctl.buf; dev->isoc_ctl.buf = NULL; - vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + vb2_buffer_done(&buf->vb.vb2_buf, vb2_state); stk1160_dbg("buffer [%p/%d] aborted\n", buf, buf->vb.vb2_buf.index); } diff --git a/drivers/media/usb/stk1160/stk1160.h b/drivers/media/usb/stk1160/stk1160.h index a31ea1c80f25..a70963ce8753 100644 --- a/drivers/media/usb/stk1160/stk1160.h +++ b/drivers/media/usb/stk1160/stk1160.h @@ -166,7 +166,7 @@ struct regval { int stk1160_vb2_setup(struct stk1160 *dev); int stk1160_video_register(struct stk1160 *dev); void stk1160_video_unregister(struct stk1160 *dev); -void stk1160_clear_queue(struct stk1160 *dev); +void stk1160_clear_queue(struct stk1160 *dev, enum vb2_buffer_state vb2_state); /* Provided by stk1160-video.c */ int stk1160_alloc_isoc(struct stk1160 *dev);