Messages in this thread Patch in this message |  | | Subject | [PATCH 1/4] MFD/PCAP: fix adc locking | From | Daniel Ribeiro <> | Date | Tue, 23 Jun 2009 12:30:58 -0300 |
| |
Release the lock on error.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
--- drivers/mfd/ezx-pcap.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c index 671a7ef..c1de4af 100644 --- a/drivers/mfd/ezx-pcap.c +++ b/drivers/mfd/ezx-pcap.c @@ -238,8 +238,10 @@ static irqreturn_t pcap_adc_irq(int irq, void *_pcap) mutex_lock(&pcap->adc_mutex); req = pcap->adc_queue[pcap->adc_head]; - if (WARN(!req, KERN_WARNING "adc irq without pending request\n")) + if (WARN(!req, KERN_WARNING "adc irq without pending request\n")) { + mutex_unlock(&pcap->adc_mutex); return IRQ_HANDLED; + } /* read requested channels results */ ezx_pcap_read(pcap, PCAP_REG_ADC, &tmp); -- tg: (f234012..) pcap/fix-adc-locking (depends on: master) -- Daniel Ribeiro [unhandled content-type:application/pgp-signature] |  |