| From | Luis Henriques <> | Subject | [PATCH 3.11 046/121] staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have been requested | Date | Fri, 21 Feb 2014 12:47:50 +0000 |
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3.11.10.5 -stable review patch. If anyone has any objections, please let me know.
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From: Hartmut Knaack <knaack.h@gmx.de>
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: Luis Henriques <luis.henriques@canonical.com> --- 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 2b2049c..2c3af3f 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: -- 1.9.0
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