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mmc: toshsd: Fix unbalanced locking 

Fix returning IRQ_HANDLED with spin_lock held.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Axel Lin 2014-12-11 11:10:44 +08:00 committed by Ulf Hansson
parent 1818681cda
commit 8a66fdae77
1 changed files with 3 additions and 1 deletions
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4
drivers/mmc/host/toshsd.c
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@ -176,7 +176,8 @@ static irqreturn_t toshsd_thread_irq(int irq, void *dev_id)
spin_lock_irqsave(&host->lock, flags);
if (!sg_miter_next(sg_miter))
return IRQ_HANDLED;
goto done;
buf = sg_miter->addr;
/* Ensure we dont read more than one block. The chip will interrupt us
@ -198,6 +199,7 @@ static irqreturn_t toshsd_thread_irq(int irq, void *dev_id)
sg_miter->consumed = count;
sg_miter_stop(sg_miter);
done:
spin_unlock_irqrestore(&host->lock, flags);
return IRQ_HANDLED;