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Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/smu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 5f283529620..34f3c7e2d83 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -153,8 +153,10 @@ static irqreturn_t smu_db_intr(int irq, void *arg, struct pt_regs *regs)
spin_lock_irqsave(&smu->lock, flags);
gpio = pmac_do_feature_call(PMAC_FTR_READ_GPIO, NULL, smu->doorbell);
- if ((gpio & 7) != 7)
+ if ((gpio & 7) != 7) {
+ spin_unlock_irqrestore(&smu->lock, flags);
return IRQ_HANDLED;
+ }
cmd = smu->cmd_cur;
smu->cmd_cur = NULL;