From: Hartmut Knaack Date: Wed, 1 Jan 2014 23:04:00 +0000 (+0000) Subject: staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have... X-Git-Tag: firefly_0821_release~3679^2~2795 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=39779455a6a08341985427784b88a50c6b5cad58;p=firefly-linux-kernel-4.4.55.git staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have been requested commit 38408d056188be29a6c4e17f3703c796551bb330 upstream. Only free an IRQ in error_free_irq, if it has been requested previously. Signed-off-by: Hartmut Knaack Acked-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index 8dc97b36e05a..b0cb2de93050 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -644,7 +644,8 @@ 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: