On 05/01/14 16:03, Lars-Peter Clausen wrote:
On 01/02/2014 12:04 AM, Hartmut Knaack wrote:
Only free an IRQ in error_free_irq, if it has been requested previously.
Signed-off-by: Hartmut Knaack <knaack.h@xxxxxx>
Acked-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
I changed the title to only mention the fix as that's all that is now in this patch.
Applied to the fixes-togreg branch of iio.git and marked for stable.
Note that given timing this won't go upstream until after 3.14-rc1
Thanks,
Jonathan
---
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c
index e32a555..3deb390 100644
--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -590,7 +590,8 @@ static int ad799x_probe(struct i2c_client *client,
return 0;
error_free_irq:
- free_irq(client->irq, indio_dev);
+ if (client->irq > 0)
+ free_irq(client->irq, indio_dev);
error_cleanup_ring:
ad799x_ring_cleanup(indio_dev);
error_disable_reg:
--
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