Pascal Terjan e5cd88146e vboxguest: Do not use devm for irq
[ Upstream commit 6169525b76764acb81918aa387ac168fb9a55575 ]

When relying on devm it doesn't get freed early enough which causes the
following warning when unloading the module:

[249348.837181] remove_proc_entry: removing non-empty directory 'irq/20', leaking at least 'vboxguest'
[249348.837219] WARNING: CPU: 0 PID: 6708 at fs/proc/generic.c:715 remove_proc_entry+0x119/0x140

[249348.837379] Call Trace:
[249348.837385]  unregister_irq_proc+0xbd/0xe0
[249348.837392]  free_desc+0x23/0x60
[249348.837396]  irq_free_descs+0x4a/0x70
[249348.837401]  irq_domain_free_irqs+0x160/0x1a0
[249348.837452]  mp_unmap_irq+0x5c/0x60
[249348.837458]  acpi_unregister_gsi_ioapic+0x29/0x40
[249348.837463]  acpi_unregister_gsi+0x17/0x30
[249348.837467]  acpi_pci_irq_disable+0xbf/0xe0
[249348.837473]  pcibios_disable_device+0x20/0x30
[249348.837478]  pci_disable_device+0xef/0x120
[249348.837482]  vbg_pci_remove+0x6c/0x70 [vboxguest]

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Pascal Terjan <pterjan@google.com>
Link: https://lore.kernel.org/r/20220612133744.4030602-1-pterjan@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-25 11:45:42 +02:00
2022-08-25 11:45:39 +02:00
2022-07-27 09:43:07 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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