From 96540b62efda4daf7654678e00361fc8ed3a4473 Mon Sep 17 00:00:00 2001 From: Hartmut Knaack Date: Wed, 1 Jan 2014 23:04:00 +0000 Subject: [PATCH] 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: Ben Hutchings --- drivers/staging/iio/adc/ad799x_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index ee6cd792bec8..f79d0cb8d188 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -873,7 +873,8 @@ static int __devinit 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: -- 2.47.3