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path: root/drivers/media/usb/tm6000/tm6000-dvb.c
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* media: tm6000: deprecate this driverHans Verkuil2022-08-291-454/+0
| | | | | | | | | | | Deprecate the tm6000 driver. This driver does not use the vb2 framework for video streaming, instead it uses the old videobuf framework. We want to get rid of these old drivers, so deprecated it for future removal. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
* media: remove third argument of usb_maxpacket()Vincent Mailhol2022-04-231-1/+1
| | | | | | | | | | | | | | | | | | | The third argument of usb_maxpacket(): in_out has been deprecated because it could be derived from the second argument (e.g. using usb_pipeout(pipe)). N.B. function usb_maxpacket() was made variadic to accommodate the transition from the old prototype with three arguments to the new one with only two arguments (so that no renaming is needed). The variadic argument is to be removed once all users of usb_maxpacket() get migrated. CC: Sean Young <sean@mess.org> CC: Mauro Carvalho Chehab <mchehab@kernel.org> CC: Benjamin Valentin <benpicco@googlemail.com> Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Link: https://lore.kernel.org/r/20220317035514.6378-5-mailhol.vincent@wanadoo.fr Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* media: xc2028: rename the driver from tuner-xc2028Mauro Carvalho Chehab2022-03-121-1/+1
| | | | | | | | This is the only tuner driver that has "tuner-" on its name. Rename it, in order to match all the other tuner drivers. Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
* module: remove never implemented MODULE_SUPPORTED_DEVICELeon Romanovsky2021-03-171-2/+0
| | | | | | | | | | MODULE_SUPPORTED_DEVICE was added in pre-git era and never was implemented. We can safely remove it, because the kernel has grown to have many more reliable mechanisms to determine if device is supported or not. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* media: tm6000: Fix memleak in tm6000_start_streamDinghao Liu2021-01-121-0/+4
| | | | | | | | | | | When usb_clear_halt() fails, dvb->bulk_urb->transfer_buffer and dvb->bulk_urb should be freed just like when usb_submit_urb() fails. Fixes: 3169c9b26fffa ("V4L/DVB (12788): tm6000: Add initial DVB-T support") Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
* media: tm6000: double free if usb disconnect while streamingSean Young2019-08-141-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The usb_bulk_urb will kfree'd on disconnect, so ensure the pointer is set to NULL after each free. stop stream urb killing urb buffer free tm6000: got start feed request tm6000_start_feed tm6000: got start stream request tm6000_start_stream tm6000: pipe reset tm6000: got start feed request tm6000_start_feed tm6000: got start feed request tm6000_start_feed tm6000: got start feed request tm6000_start_feed tm6000: got start feed request tm6000_start_feed tm6000: IR URB failure: status: -71, length 0 xhci_hcd 0000:00:14.0: ERROR unknown event type 37 xhci_hcd 0000:00:14.0: ERROR unknown event type 37 tm6000: error tm6000_urb_received usb 1-2: USB disconnect, device number 5 tm6000: disconnecting tm6000 #0 ================================================================== BUG: KASAN: use-after-free in dvb_fini+0x75/0x140 [tm6000_dvb] Read of size 8 at addr ffff888241044060 by task kworker/2:0/22 CPU: 2 PID: 22 Comm: kworker/2:0 Tainted: G W 5.3.0-rc4+ #1 Hardware name: LENOVO 20KHCTO1WW/20KHCTO1WW, BIOS N23ET65W (1.40 ) 07/02/2019 Workqueue: usb_hub_wq hub_event Call Trace: dump_stack+0x9a/0xf0 print_address_description.cold+0xae/0x34f __kasan_report.cold+0x75/0x93 ? tm6000_fillbuf+0x390/0x3c0 [tm6000_alsa] ? dvb_fini+0x75/0x140 [tm6000_dvb] kasan_report+0xe/0x12 dvb_fini+0x75/0x140 [tm6000_dvb] tm6000_close_extension+0x51/0x80 [tm6000] tm6000_usb_disconnect.cold+0xd4/0x105 [tm6000] usb_unbind_interface+0xe4/0x390 device_release_driver_internal+0x121/0x250 bus_remove_device+0x197/0x260 device_del+0x268/0x550 ? __device_links_no_driver+0xd0/0xd0 ? usb_remove_ep_devs+0x30/0x3b usb_disable_device+0x122/0x400 usb_disconnect+0x153/0x430 hub_event+0x800/0x1e40 ? trace_hardirqs_on_thunk+0x1a/0x20 ? hub_port_debounce+0x1f0/0x1f0 ? retint_kernel+0x10/0x10 ? lock_is_held_type+0xf1/0x130 ? hub_port_debounce+0x1f0/0x1f0 ? process_one_work+0x4ae/0xa00 process_one_work+0x4ba/0xa00 ? pwq_dec_nr_in_flight+0x160/0x160 ? do_raw_spin_lock+0x10a/0x1d0 worker_thread+0x7a/0x5c0 ? process_one_work+0xa00/0xa00 kthread+0x1d5/0x200 ? kthread_create_worker_on_cpu+0xd0/0xd0 ret_from_fork+0x3a/0x50 Allocated by task 2682: save_stack+0x1b/0x80 __kasan_kmalloc.constprop.0+0xc2/0xd0 usb_alloc_urb+0x28/0x60 tm6000_start_feed+0x10a/0x300 [tm6000_dvb] dmx_ts_feed_start_filtering+0x86/0x120 [dvb_core] dvb_dmxdev_start_feed+0x121/0x180 [dvb_core] dvb_dmxdev_filter_start+0xcb/0x540 [dvb_core] dvb_demux_do_ioctl+0x7ed/0x890 [dvb_core] dvb_usercopy+0x97/0x1f0 [dvb_core] dvb_demux_ioctl+0x11/0x20 [dvb_core] do_vfs_ioctl+0x5d8/0x9d0 ksys_ioctl+0x5e/0x90 __x64_sys_ioctl+0x3d/0x50 do_syscall_64+0x74/0xe0 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 22: save_stack+0x1b/0x80 __kasan_slab_free+0x12c/0x170 kfree+0xfd/0x3a0 xhci_giveback_urb_in_irq+0xfe/0x230 xhci_td_cleanup+0x276/0x340 xhci_irq+0x1129/0x3720 __handle_irq_event_percpu+0x6e/0x420 handle_irq_event_percpu+0x6f/0x100 handle_irq_event+0x55/0x84 handle_edge_irq+0x108/0x3b0 handle_irq+0x2e/0x40 do_IRQ+0x83/0x1a0 Cc: stable@vger.kernel.org Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286Thomas Gleixner2019-06-051-9/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 97 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.025053186@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* media: usb: fix several typosMauro Carvalho Chehab2019-03-011-1/+1
| | | | | | | | Use codespell to fix lots of typos over frontends. Manually verified to avoid false-positives. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: tm6000: add error handling for dvb_register_adapterZhouyang Jia2018-06-281-0/+5
| | | | | | | | | | | | When dvb_register_adapter fails, the lack of error-handling code may cause unexpected results. This patch adds error-handling code after calling dvb_register_adapter. Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com> [hans.verkuil@cisco.com: use pr_err and fix typo: adater -> adapter] Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* media: usb: fix spelling mistake: "synchronuously" -> "synchronously"Colin Ian King2017-11-071-2/+2
| | | | | | | | Trivial fix to spelling mistake in error message text [mchehab@s-opensource.org: folded all similar patches into one] Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: tm6000: cleanup trival coding style issuesMarkus Elfring2017-10-271-7/+4
| | | | | | | | | | | | | | - Delete seven error messages for a failed memory allocation - Adjust seven checks for null pointers - Use common error handling code in tm6000_usb_probe() - Adjust jump targets so that the function "kfree" will be always called with a non-null pointer. - Delete an initialisation for the local variable "dev" which became unnecessary with this refactoring. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: Drop FSF's postal address from the source code filesSakari Ailus2017-01-271-4/+0
| | | | | | | | | | | | | | | | | | | | | Drop the FSF's postal address from the source code files that typically contain mostly the license text. Of the 628 removed instances, 578 are outdated. The patch has been created with the following command without manual edits: git grep -l "675 Mass Ave\|59 Temple Place\|51 Franklin St" -- \ drivers/media/ include/media|while read i; do i=$i perl -e ' open(F,"< $ENV{i}"); $a=join("", <F>); $a =~ s/[ \t]*\*\n.*You should.*\n.*along with.*\n.*(\n.*USA.*$)?\n//m && $a =~ s/(^.*)Or, (point your browser to) /$1To obtain the license, $2\n$1/m; close(F); open(F, "> $ENV{i}"); print F $a; close(F);'; done Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
* [media] tm6000: don't break long linesMauro Carvalho Chehab2016-10-211-11/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to the 80-cols restrictions, and latter due to checkpatch warnings, several strings were broken into multiple lines. This is not considered a good practice anymore, as it makes harder to grep for strings at the source code. As we're right now fixing other drivers due to KERN_CONT, we need to be able to identify what printk strings don't end with a "\n". It is a way easier to detect those if we don't break long lines. So, join those continuation lines. The patch was generated via the script below, and manually adjusted if needed. </script> use Text::Tabs; while (<>) { if ($next ne "") { $c=$_; if ($c =~ /^\s+\"(.*)/) { $c2=$1; $next =~ s/\"\n$//; $n = expand($next); $funpos = index($n, '('); $pos = index($c2, '",'); if ($funpos && $pos > 0) { $s1 = substr $c2, 0, $pos + 2; $s2 = ' ' x ($funpos + 1) . substr $c2, $pos + 2; $s2 =~ s/^\s+//; $s2 = ' ' x ($funpos + 1) . $s2 if ($s2 ne ""); print unexpand("$next$s1\n"); print unexpand("$s2\n") if ($s2 ne ""); } else { print "$next$c2\n"; } $next=""; next; } else { print $next; } $next=""; } else { if (m/\"$/) { if (!m/\\n\"$/) { $next=$_; next; } } } print $_; } </script> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] media: usb: tm6000: tm6000-dvb: don't print error when allocating ↵Wolfram Sang2016-08-241-3/+1
| | | | | | | | | | urb fails kmalloc will print enough information in case of failure. Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media, edac] Change my email addressMauro Carvalho Chehab2014-02-071-1/+1
| | | | | | | | There are several left overs with my old email address. Remove their occurrences and add myself at CREDITS, to allow people to be able to reach me on my new addresses. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] tm6000-dvb: Fix module unloadJulian Scheel2012-12-211-2/+2
| | | | | | | | dvb_unregister_frontend has to be called before detach. Otherwise the unregister call will segfault. This made tm6000-dvb module unload unusable. Signed-off-by: Julian Scheel <julian@jusst.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] rename most media/video usb drivers to media/usbMauro Carvalho Chehab2012-08-151-0/+467
Rename all USB drivers with their own directory under drivers/media/video into drivers/media/usb and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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