| From | Ben Hutchings <> | Date | Mon, 31 Mar 2014 00:23:35 +0100 | Subject | [PATCH 3.2 032/200] staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have been requested |
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3.2.56-rc1 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: Ben Hutchings <ben@decadent.org.uk> --- drivers/staging/iio/adc/ad799x_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- 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 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:
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