staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have...
authorHartmut Knaack <knaack.h@gmx.de>
Wed, 1 Jan 2014 23:04:00 +0000 (23:04 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 22 Feb 2014 20:41:27 +0000 (12:41 -0800)
commit39779455a6a08341985427784b88a50c6b5cad58
treef2560176901944dbbc0fe608f6dd69fbd1b27683
parentdb438cf13a917c449d92c25deba7528fc323a43c
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>
drivers/staging/iio/adc/ad799x_core.c