staging:iio:dac:ad5504: Check if IRQ was requested before freeing it
IRQ support is optional, so we have to check whether it was actually requested
before we attempt to free it.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/iio/dac/ad5504.c b/drivers/staging/iio/dac/ad5504.c
index 220150d..f3d7b47 100644
--- a/drivers/staging/iio/dac/ad5504.c
+++ b/drivers/staging/iio/dac/ad5504.c
@@ -294,7 +294,8 @@
return 0;
error_free_irq:
- free_irq(spi->irq, indio_dev);
+ if (spi->irq)
+ free_irq(spi->irq, indio_dev);
error_disable_reg:
if (!IS_ERR(reg))
regulator_disable(reg);