From patchwork Mon Sep 5 10:32:38 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 9313449 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 95BD4607D3 for ; Mon, 5 Sep 2016 10:32:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 859FB28A47 for ; Mon, 5 Sep 2016 10:32:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7A0E028A4B; Mon, 5 Sep 2016 10:32:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F02328A47 for ; Mon, 5 Sep 2016 10:32:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933318AbcIEKcv (ORCPT ); Mon, 5 Sep 2016 06:32:51 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:55019 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932560AbcIEKcs (ORCPT ); Mon, 5 Sep 2016 06:32:48 -0400 Received: from [179.179.55.138] (helo=smtp.w2.samsung.com) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bgrCp-0005H5-DF; Mon, 05 Sep 2016 10:32:47 +0000 Received: from mchehab by smtp.w2.samsung.com with local (Exim 4.87) (envelope-from ) id 1bgrCl-00015m-QU; Mon, 05 Sep 2016 07:32:43 -0300 From: Mauro Carvalho Chehab To: Linux Media Mailing List Cc: Mauro Carvalho Chehab , Mauro Carvalho Chehab , Hans Verkuil , Sakari Ailus , Arnd Bergmann , Matthias Schwarzott , Javier Martinez Canillas Subject: [PATCH v2 10/12] [media] cx231xx-cards: unregister IR earlier Date: Mon, 5 Sep 2016 07:32:38 -0300 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP [ 1417.425863] cx231xx 1-3.1.4:1.1: Cx231xx dvb Extension removed [ 1417.571923] BUG: unable to handle kernel paging request at ffffffffc081a024 [ 1417.571962] IP: [] string+0x24/0x80 [ 1417.571987] PGD 1c09067 PUD 1c0b067 PMD 88e653067 PTE 0 [ 1417.572013] Oops: 0000 [#1] SMP [ 1417.572026] Modules linked in: mb86a20s dvb_core cx231xx_alsa ir_kbd_i2c(-) tda18271 tea5767 tuner cx25840 cx231xx i2c_mux videobuf_vmalloc tveeprom cx2341x videobuf_core rc_core v4l2_common videodev media bnep usblp fuse xt_CHECKSUM iptable_mangle tun ebtable_filter ebtables ip6table_filter ip6_tables xt_physdev br_netfilter bridge nf_log_ipv4 nf_log_common xt_LOG xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack cpufreq_stats vfat fat snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_intel snd_hda_codec kvm snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm irqbypass crct10dif_pclmul iTCO_wdt crc32_pclmul nfsd hci_uart iTCO_vendor_support [ 1417.572317] snd_timer ghash_clmulni_intel btbcm intel_cstate btqca snd intel_uncore btintel intel_rapl_perf mei_me bluetooth mei shpchp soundcore pcspkr i2c_i801 auth_rpcgss wmi acpi_als kfifo_buf nfs_acl industrialio rfkill lockd pinctrl_sunrisepoint pinctrl_intel tpm_tis tpm intel_lpss_acpi intel_lpss acpi_pad grace sunrpc binfmt_misc hid_logitech_hidpp hid_logitech_dj 8021q garp stp llc mrp i915 i2c_algo_bit drm_kms_helper drm e1000e sdhci_pci sdhci mmc_core crc32c_intel ptp pps_core video i2c_hid fjes analog gameport joydev [last unloaded: rc_pixelview_002t] [ 1417.572487] CPU: 4 PID: 24493 Comm: rmmod Tainted: G W 4.7.0+ #2 [ 1417.572504] Hardware name: /NUC6i7KYB, BIOS KYSKLi70.86A.0041.2016.0817.1130 08/17/2016 [ 1417.572526] task: ffff880894b81e80 ti: ffff880896bdc000 task.ti: ffff880896bdc000 [ 1417.572544] RIP: 0010:[] [] string+0x24/0x80 [ 1417.572564] RSP: 0018:ffff880896bdfbe8 EFLAGS: 00010286 [ 1417.572577] RAX: ffffffffc081a025 RBX: ffff8808935aa15c RCX: ffff0a00ffffff04 [ 1417.572594] RDX: ffffffffc081a024 RSI: ffffffffffffffff RDI: ffff8808935aa15c [ 1417.572610] RBP: ffff880896bdfbe8 R08: fffffffffffffffe R09: ffff8808935aa91c [ 1417.572628] R10: ffffffffc07b85d6 R11: 0000000000000000 R12: ffff8808935aa91c [ 1417.572644] R13: 00000000000007c5 R14: ffffffffc07b85dd R15: ffffffffc07b85dd [ 1417.572662] FS: 00007f5a5392d700(0000) GS:ffff8808bed00000(0000) knlGS:0000000000000000 [ 1417.572681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1417.572705] CR2: ffffffffc081a024 CR3: 0000000897188000 CR4: 00000000003406e0 [ 1417.572735] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1417.572761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1417.572778] Stack: [ 1417.572785] ffff880896bdfc48 ffffffff813dcf77 0000000000000005 ffff8808935aa157 [ 1417.572806] ffff880896bdfc58 ffff0a00ffffff04 000000009d27375e ffff8808935aa000 [ 1417.572829] 0000000000000800 ffff880896182800 0000000000000000 ffff88089e898ae0 [ 1417.572850] Call Trace: [ 1417.572860] [] vsnprintf+0x2d7/0x500 [ 1417.572873] [] add_uevent_var+0x82/0x120 [ 1417.572890] [] rc_dev_uevent+0x2d/0x60 [rc_core] [ 1417.572907] [] dev_uevent+0xd9/0x2d0 [ 1417.572921] [] kobject_uevent_env+0x2d9/0x4f0 [ 1417.572938] [] kobject_uevent+0xb/0x10 [ 1417.572954] [] device_del+0x18f/0x260 [ 1417.572974] [] ? kobject_put+0x27/0x50 [ 1417.572998] [] rc_unregister_device+0x75/0xb0 [rc_core] [ 1417.573028] [] ir_remove+0x23/0x30 [ir_kbd_i2c] [ 1417.573055] [] i2c_device_remove+0x58/0xb0 [ 1417.573078] [] __device_release_driver+0xa1/0x160 [ 1417.573102] [] driver_detach+0xa6/0xb0 [ 1417.573122] [] bus_remove_driver+0x55/0xd0 [ 1417.573146] [] driver_unregister+0x2c/0x50 [ 1417.573168] [] i2c_del_driver+0x22/0x50 [ 1417.573194] [] ir_kbd_driver_exit+0x10/0x46c [ir_kbd_i2c] [ 1417.573227] [] SyS_delete_module+0x1b8/0x220 [ 1417.573254] [] entry_SYSCALL_64_fastpath+0x1a/0xa4 [ 1417.573279] Code: eb e9 76 ff ff ff 90 55 49 89 f1 48 89 ce 48 c1 fe 30 48 81 fa ff 0f 00 00 48 89 e5 4c 8d 46 ff 76 40 48 85 f6 74 4e 48 8d 42 01 <0f> b6 12 84 d2 74 43 49 01 c0 31 f6 eb 0c 48 83 c0 01 0f b6 50 [ 1417.573437] RIP [] string+0x24/0x80 [ 1417.573455] RSP [ 1417.573465] CR2: ffffffffc081a024 [ 1417.580053] ---[ end trace 4ca9e2eced326a62 ]--- Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/cx231xx/cx231xx-cards.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c index 72c246bfaa1c..36bc25494319 100644 --- a/drivers/media/usb/cx231xx/cx231xx-cards.c +++ b/drivers/media/usb/cx231xx/cx231xx-cards.c @@ -1186,12 +1186,12 @@ static void cx231xx_unregister_media_device(struct cx231xx *dev) */ void cx231xx_release_resources(struct cx231xx *dev) { + cx231xx_ir_exit(dev); + cx231xx_release_analog_resources(dev); cx231xx_remove_from_devlist(dev); - cx231xx_ir_exit(dev); - /* Release I2C buses */ cx231xx_dev_uninit(dev);