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-rw-r--r--drivers/perf/arm-cmn.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c
index 4f46f654279d..bc3cba5f8c5d 100644
--- a/drivers/perf/arm-cmn.c
+++ b/drivers/perf/arm-cmn.c
@@ -1212,7 +1212,7 @@ static int arm_cmn_init_irqs(struct arm_cmn *cmn)
irq = cmn->dtc[i].irq;
for (j = i; j--; ) {
if (cmn->dtc[j].irq == irq) {
- cmn->dtc[j].irq_friend = j - i;
+ cmn->dtc[j].irq_friend = i - j;
goto next;
}
}