diff options
| author | Hartmut Knaack <knaack.h@gmx.de> | 2014-01-01 23:04:00 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-22 10:32:45 -0800 |
| commit | 402d5390c91374880c4028490087b8cffe338be3 (patch) | |
| tree | 7f58e0523ad27cfce4f3e80a58cdf15fe3cb21a2 | |
| parent | dce0ea4a4732af1333525b76bde5572073d4bbfa (diff) | |
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 <knaack.h@gmx.de>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/iio/adc/ad799x_core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index a8458669350f..0cad46751e00 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: |