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staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have been requested 

Only free an IRQ in error_free_irq, if it has been requested previously.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Hartmut Knaack 2014-01-01 23:04:00 +00:00 committed by Jonathan Cameron
parent 66c65d90db
commit 38408d0561
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/iio/adc/ad799x_core.c
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@ -594,7 +594,8 @@ 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: