irqchip/gic-v3-its: Fix comparison logic in lpi_range_cmp
The lpi_range_list is supposed to be sorted in ascending order of ->base_id (at least if the range merging is to work), but the current comparison function returns a positive value if rb->base_id > ra->base_id, which means that list_sort() will put A after B in that case - and vice versa, of course. Fixes: 880cb3cd (irqchip/gic-v3-its: Refactor LPI allocator) Cc: stable@vger.kernel.org (v4.19+) Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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