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In pcibios_irq_init(), the PCI IRQ routing table 'pirq_table' is first found through pirq_find_routing_table(). If the table is not found and CONFIG_PCI_BIOS is defined, the table is then allocated in pcibios_get_irq_routing_table() using kmalloc(). Later, if the I/O APIC is used, this table is actually not used. In that case, the allocated table is not freed, which is a memory leak. Free the allocated table if it is not used. Signed-off-by: Wenwen Wang <wang6495@umn.edu> [bhelgaas: added Ingo's reviewed-by, since the only change since v1 was to use the irq_routing_table local variable name he suggested] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Ingo Molnar <mingo@kernel.org> Acked-by: Thomas Gleixner <tglx@linutronix.de>
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.