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-rw-r--r--kernel/irq/matrix.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/irq/matrix.c b/kernel/irq/matrix.c
index 7df2480005f8..0ba0dd8863a7 100644
--- a/kernel/irq/matrix.c
+++ b/kernel/irq/matrix.c
@@ -384,7 +384,9 @@ unsigned int irq_matrix_available(struct irq_matrix *m, bool cpudown)
{
struct cpumap *cm = this_cpu_ptr(m->maps);
- return (m->global_available - cpudown) ? cm->available : 0;
+ if (!cpudown)
+ return m->global_available;
+ return m->global_available - cm->available;
}
/**