Commits
Alexey Dobriyan committed f9497d51259
genirq/ipi: Fixup checks against nr_cpu_ids
commit 8fbbe2d7cc478d1544f41f2271787c993c23a4f6 upstream.
Valid CPU ids are [0, nr_cpu_ids-1] inclusive.
Fixes: 3b8e29a82dd1 ("genirq: Implement ipi_send_mask/single()")
Fixes: f9bce791ae2a ("genirq: Add a new function to get IPI reverse mapping")
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170819095751.GB27864@avx2
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>