tree 731d07071f04f54fbf4269912524455e54002858
parent 56ffa1a028b9fce3860a247c6fe79fce7cbf425b
author Yinghai Lu <yhlu.kernel@gmail.com> 1221468830 -0700
committer Ingo Molnar <mingo@elte.hu> 1224168790 +0200

irq: fix irqpoll && sparseirq

Steven Noonan reported a boot hang when using irqpoll and
CONFIG_HAVE_SPARSE_IRQ=y.

The irqpoll loop needs to be updated to not iterate from 1 to nr_irqs
but to iterate via for_each_irq_desc(). (in the former case desc can
be NULL which crashes the box)

Reported-by: Steven Noonan <steven@uplinklabs.net>
Tested-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>