tree 56c659bff188ab82343f2ec40d5a0f8a38c46fe7
parent d3005fbc696781d2fd7bd5b5389a94fae5332b58
author Johannes Berg <johannes@sipsolutions.net> 1276646975 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1278576704 +1000

powerpc: Fix logic error in fixup_irqs

When SPARSE_IRQ is set, irq_to_desc() can
return NULL. While the code here has a
check for NULL, it's not really correct.
Fix it by separating the check for it.

This fixes CPU hot unplug for me.

Reported-by: Alastair Bridgewater <alastair.bridgewater@gmail.com>
Cc: stable@kernel.org [2.6.32+]
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>