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commit0211e12dd0upstream. When the allocation of node_to_possible_cpumask fails, then irq_create_affinity_masks() returns with a pointer to the empty affinity masks array, which will cause malfunction. Reorder the allocations so the masks array allocation comes last and every failure path returns NULL. Fixes:9a0ef98e18("genirq/affinity: Assign vectors to all present CPUs") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Christoph Hellwig <hch@infradead.org> Cc: Ming Lei <ming.lei@redhat.com> Cc: Mihai Carabas <mihai.carabas@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.