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[ Upstream commit29b49958cf] In acpi_pci_irq_enable(), 'entry' is allocated by kzalloc() in acpi_pci_irq_check_entry() (invoked from acpi_pci_irq_lookup()). However, it is not deallocated if acpi_pci_irq_valid() returns false, leading to a memory leak. To fix this issue, free 'entry' before returning 0. Fixes:e237a55184("x86/ACPI/PCI: Recognize that Interrupt Line 255 means "not connected"") Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.