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linux/drivers/bluetooth
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Michał Mirosław eeb0cf8bb6 Bluetooth: hci_bcm: fix freeing not-requested IRQ 
commit 81bd5d0c62437c02caac6b3f942fcda874063cb0 upstream.

When BT module can't be initialized, but it has an IRQ, unloading
the driver WARNs when trying to free not-yet-requested IRQ. Fix it by
noting whether the IRQ was requested.

WARNING: CPU: 2 PID: 214 at kernel/irq/devres.c:144 devm_free_irq+0x49/0x4ca
[...]
WARNING: CPU: 2 PID: 214 at kernel/irq/manage.c:1746 __free_irq+0x8b/0x27c
Trying to free already-free IRQ 264
Modules linked in: hci_uart(-) btbcm bluetooth ecdh_generic ecc libaes
CPU: 2 PID: 214 Comm: rmmod Tainted: G        W         5.6.1mq-00044-ga5f9ea098318-dirty #928
[...]
[<b016aefb>] (devm_free_irq) from [<af8ba1ff>] (bcm_close+0x97/0x118 [hci_uart])
[<af8ba1ff>] (bcm_close [hci_uart]) from [<af8b736f>] (hci_uart_unregister_device+0x33/0x3c [hci_uart])
[<af8b736f>] (hci_uart_unregister_device [hci_uart]) from [<b035930b>] (serdev_drv_remove+0x13/0x20)
[<b035930b>] (serdev_drv_remove) from [<b037093b>] (device_release_driver_internal+0x97/0x118)
[<b037093b>] (device_release_driver_internal) from [<b0370a0b>] (driver_detach+0x2f/0x58)
[<b0370a0b>] (driver_detach) from [<b036f855>] (bus_remove_driver+0x41/0x94)
[<b036f855>] (bus_remove_driver) from [<af8ba8db>] (bcm_deinit+0x1b/0x740 [hci_uart])
[<af8ba8db>] (bcm_deinit [hci_uart]) from [<af8ba86f>] (hci_uart_exit+0x13/0x30 [hci_uart])
[<af8ba86f>] (hci_uart_exit [hci_uart]) from [<b01900bd>] (sys_delete_module+0x109/0x1d0)
[<b01900bd>] (sys_delete_module) from [<b0101001>] (ret_fast_syscall+0x1/0x5a)
[...]

Cc: stable@vger.kernel.org
Fixes: 6cc4396c8829 ("Bluetooth: hci_bcm: Add wake-up capability")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-22 09:31:18 +02:00
..
ath3k.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
bcm203x.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
bfusb.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
bluecard_cs.c
bluetooth: bluecard_cs: Replace GFP_ATOMIC with GFP_KERNEL in bluecard_hci_set_baud_rate()
2018-07-23 18:05:00 +02:00
bpa10x.c
Bluetooth: bpa10x: change return value
2019-09-04 16:11:46 +02:00
bt3c_cs.c
Bluetooth: bt3c_cs: Fix obsolete function
2018-09-27 12:57:39 +02:00
btbcm.c
Bluetooth: btbcm: Add 2 missing models to subver tables
2020-06-22 09:30:59 +02:00
btbcm.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
btintel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
btintel.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
btmrvl_debugfs.c
Bluetooth: btmrvl: Re-use kstrtol_from_user()
2018-05-30 08:16:05 +02:00
btmrvl_drv.h
Bluetooth: btmrvl: Drop unused GPIO includes
2019-01-22 09:51:20 +01:00
btmrvl_main.c
Bluetooth: btmrvl: support sysfs initiated firmware coredump
2018-05-29 15:59:50 +02:00
btmrvl_sdio.c
Bluetooth: btmrvl: add support for SD8987 chipset
2019-04-23 19:01:45 +02:00
btmrvl_sdio.h
btmrvl: add platform specific wakeup interrupt support
2016-05-02 19:26:15 +02:00
btmtksdio.c
Bluetooth: btmtksdio: Add runtime PM support to SDIO based Bluetooth
2019-04-23 18:36:20 +02:00
btmtkuart.c
Bluetooth: btmtkuart: Improve exception handling in btmtuart_probe()
2020-06-22 09:30:56 +02:00
btqca.c
Bluetooth: hci_qca: wait for Pre shutdown complete event before sending the Power off pulse
2019-09-05 17:27:22 +02:00
btqca.h
Bluetooth: hci_qca: Send VS pre shutdown command.
2019-08-12 18:23:50 +02:00
btqcomsmd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284
2019-06-05 17:36:37 +02:00
btrsi.c
Bluetooth: btrsi: fix bt tx timeout issue
2018-09-27 12:53:40 +02:00
btrtl.c
Bluetooth: btrtl: Fix an issue that failing to download the FW which size is over 32K bytes
2019-09-05 17:27:32 +02:00
btrtl.h
Bluetooth: btrtl: HCI reset on close for Realtek BT chip
2019-07-06 12:32:50 +02:00
btsdio.c
Bluetooth: btsdio: Do not bind to non-removable BCM4356
2019-07-06 12:27:55 +02:00
btusb.c
Bluetooth: btusb: Disable runtime suspend on Realtek devices
2020-02-11 04:35:09 -08:00
btwilink.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
dtl1_cs.c
networking: add and use skb_put_u8()
2017-06-16 11:48:40 -04:00
h4_recv.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
hci_ag6xx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
hci_ath.c
Bluetooth: hci_uart: check for missing tty operations
2019-07-31 13:17:33 -07:00
hci_bcm.c
Bluetooth: hci_bcm: fix freeing not-requested IRQ
2020-06-22 09:31:18 +02:00
hci_bcsp.c
Bluetooth: Fix invalid-free in bcsp_close()
2019-11-29 10:09:39 +01:00
hci_h4.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
hci_h5.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
hci_intel.c
Bluetooth: hci_uart: check for missing tty operations
2019-07-31 13:17:33 -07:00
hci_ldisc.c
Bluetooth: hci_uart: check for missing tty operations
2019-07-31 13:17:33 -07:00
hci_ll.c
Revert "Bluetooth: hci_ll: set operational frequency earlier"
2019-11-29 10:09:43 +01:00
hci_mrvl.c
Bluetooth: hci_uart: check for missing tty operations
2019-07-31 13:17:33 -07:00
hci_nokia.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
hci_qca.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-09-15 14:17:27 +02:00
hci_serdev.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
hci_uart.h
Bluetooth: hci_uart: check for missing tty operations
2019-07-31 13:17:33 -07:00
hci_vhci.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
Kconfig
Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices
2019-07-06 21:44:25 +02:00
Makefile
Bluetooth: mediatek: add support for MediaTek MT7663S and MT7668S SDIO devices
2019-04-23 18:09:07 +02:00